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TABLE OF CONTENTS
steelCorporation
PAGE
OURSERVICES ............................................................................................................................................................ 3
NOTES ABOUT LOAD TABLES ................................................................................................................................... 4
ACOUSTICALDECK .................................................................................................................................................... 5
P-3615 & P-3606 ROOFDECK ........................................................................................................................... 6
P-2436 ROOFDECK.................................................................................................................................................. 8
P-3615 & P-3606 COMPOSITEDECK ............................................................................................................. 10
P-3623 COMPOSITEDECK .................................................................................................................................... 14
P-2432 COMPOSITEDECK .................................................................................................................................... 18
P-3012 FORMDECK................................................................................................................................................ 22
ACCESSORIES ANDFLOORDECKFEATURES .................................................................................................... 24
POURSTOPSELECTIONTABLE ........................................................................................................................... 27
FM, ICBO, UL ANDDIAPHRAGM ...................................................................................................................... 28
DIAPHRAGMFASTENERPATTERN ........................................................................................................................ 29
DIAPHRAGMTABLES ................................................................................................................................................ 30
ADDRESSES ................................................................................................................................................................ 47
Utility / Product P3615 P3606 P3623 P2436 P2432 P3012
Roof Deck
Acoustical Deck
Floor Deck Composite
Floor Deck Non Composite
Floor Deck Features
Vented Deck
Integral Hanger Tab
Engineering Data
Diaphragm
Depth 1 1/2 (38 mm) 1 1/2 (38 mm) 2 (51 mm) 3 (76 mm) 3 (76 mm) 9/16 (14 mm)
Coverage 36 (914 mm) 36 (914 mm) 36 (914 mm) 24 (610 mm) 24 (610 mm) 30 (762 mm)
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OUR SERVICES
DRAWINGS
Canam Steel produces its own shop drawings for
the fabrication of your steel joists, trusses, structural steel
components, steel deck and girts.
FABRICATION
Our production equipment is at the leading edge of
technology. We have continued to invest significantly in the
best available equipment in the industry, including computer-
aided manufacturing and numerically-controlled machinery.Canam Steel has automated roll formers for girts and steel decks.
DELIVERY
Canam Steels advantage has always been our ability
to deliver on time, regardless of where or when you need
our products. We know you cannot afford to keep your
on-site erection crews waiting. For this reason, our trucks
and semitrailers travel the continent around the clock to
satisfy the requirements of your construction schedules.
For project design, bid preparation or component manufacturing, our sales representatives, engineers,
technicians and draftspersons are at your service. Our team can suggest efficient and economical solutions.
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NOTES ABOUT SERVICE LOAD TABLES
The new Canam steel deck catalog includes load tablesbased on the 1996 edition of the American Iron and SteelInstitute (AISI) specifications for the design of cold-formedsteel structural members and the recommendations of theSteel Deck Institute (SDI) Design Manual.
Although the calculations are based on Load andResistance Factor Design (LRFD), all the load tables inthis catalog show the service load capacity. These loadtables should be compared with service applied loads andnot with factored applied loads.
For standard steel deck specifications on materials,design, and installation, please consult the Steel DeckInstitute Design Manual (publication No. 30) and Manualof Construction with Steel Deck.
The latest version of the ASTM A653 standard contains 5 yield strength grades for structural quality steel.The chemical composition and mechanical properties are also specified for each grade. The steel sheets normallyused to form Canam steel deck correspond to ASTM A653 SS Grade 33. They have a yield strength of 33 ksi(230 MPa) and a tensile strength of 45 ksi (310 MPa). Steel with a higher yield strength or a different ASTMdesignation can be used to meet specific needs, but the tables in this document are all based on a yield strengthof 33 ksi (230 MPa).
AISI specifications for the design of cold-formed steel structural members indicate that the thickness suppliedshall not be less than 95% of the design thickness used. The generally accepted thickness of the zinc coating ofa G90 (Z275) finish is approximately 0.0015 in. (0.04 mm).
Canam steel deck is available with G90 (Z275), G60 (Z180),or A25 (ZF75) zinc protection as described by the ASTM A653 standard.A gray polyester paint finish without underlying zinc protection is alsoreadily available. Upon request, Canam can also provide white finishpaint with an underlying zinc protection of G90, or other types ofmaterial, given sufficient notice.
The P-2432, P-3623, P-3606, and P-3615 deck profiles areavailable with embossments to act in composite action with a
concrete slab. The tables for these composite sections show loadsand unshored spans for normal weight concrete and light weightconcrete on separate pages.
The P-2436, P-3606, and P-3615 deck profiles are availablewith perforated web elements that reduce noise reverberation whenfiberglass insulation strips are installed according to the assemblyinstructions for acoustical deck.
Upon special request to our sales department, we can providesheets in lengths of less than 6 ft (1.8 m).
WARNING
Although every effort was made to ensure that all data in this catalog
is factual and that the numerical values are accurate to a degreeconsistent with current structural design practice, Canam SteelCorporation does not assume responsibility for errors or oversightsthat may result from the use of the information contained herein.Anyone making use of the contents of this catalog assumes all liabilityarising from such use. All suggestions for improvements to thispublication will receive full consideration for future printings.
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Canams steel decks P-3615 and P-3606 are roll-formed to cover 36 in.(914 mm) in width. The flutes are 1.5 in. (38 mm) deep and are
spaced at 6 in. (152 mm) on center. The deck can berolled to lengths from 6 ft. (1.8 m) to
42 ft. 6 in. (13 m) andstacked in bundlesthat will not exceed
4,000 pounds(1800 kg) unless
requested otherwiseby our customer.
These decks are readily available withsteel galvanized according to ASTM standard A653with zinc thicknesses corresponding to G90 (Z275),
G60 (Z180) or A25 (ZF75). Canam also offers gray painteddeck. Other finishes are available upon request, please check
with our sales department for availability.
Nominal thicknesses range from 0.030 in. (0.76 mm) to 0.060 in. (1.52 mm).
STEEL DEC K P-3615 P-3606
Properties are based on a unit width of 12 in. for imperial units and a unit width of 1000 mm for S.I. units.The properties in the table were calculated according to AISI 1996 Specification for the Design of Cold-FormedSteel Structural Members, considering steel produced according to ASTM A653 SS Grade 33, yield strength = 33 ksi (230 MPa).
PHYSICAL PROPERTIES
Nominal Design Overall Weight Allowable Reaction Section Modulus Moment of
Thickness Thickness Depth Bearing 3 in. (76 mm) M+ M- Inertiaend interior
gauge in. in. lbs./ft.2 lbs. lbs. in.3 in.3 in.4
(nom. thick.) (mm) (mm) (kg/m2) (kN) (kN) (mm3) (mm3) (mm4)
22 0.0300 1.49 1.68 485 954 0.178 0.185 0.148(0.76) (0.76) (37.7) (8.22) (7.08) (13.92) (9580) (9961) (202 100)
20 0.0359 1.49 2.01 649 1,433 0.217 0.226 0.189(0.91) (0.91) (37.8) (9.83) (9.47) (20.91) (11 680) (12 165) (258 530)
18 0.0479 1.50 2.66 1,037 2,631 0.297 0.304 0.273(1.21) (1.21) (38.1) (12.97) (15.14) (38.39) (15 984) (16 365) (372 703)
16 0.0595 1.51 3.33 1,848 4,075 0.374 0.378 0.344(1.52) (1.52) (38.5) (16.22) (26.98) (59.47) (20 131) (20 302) (469 816)
36 (914 mm)
6 (152 mm)
2 1/2(64 mm)
1 1/2(38 mm)
4 1/2(114 mm)
1 1/2(38 mm)
3 1/2(89 mm)P-3615
2 1/2
(64 mm)
1 1/2
(38 mm)
4 1/2
(114 mm)
1 1/2(38 mm)
3 1/2
(89 mm)
6(152 mm)
36 (914 mm)
P-3606
DIMENSIONS
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Loads shown in the tables below are the allowable uniform loadsin pounds per square foot (kilopascals).
For spans of 4 ft. 6 in. (1.37 m) and over, loads that are inbrackets indicate that the allowable total load shown is limited tothe live load, producing a deflection equal to the span/240 plus10 psf (0.5 kPa). For spans of less than 4 ft. 6 in. (1.37 m), loadsthat are in brackets indicate that the allowable total load shown is
limited by web crippling instead of bending.
Canams steel decks P-3615 and P-3606 are Factory MutualResearch Corporation approved according to FMs standard4451 for use as a component in Class 1-90 wind uplift ratedinsulated steel deck roof construction when fastened according toFactory Mutual specifications.
The table below shows the maximum spans approved by Fwhen the deck is used in at least double span.
Nom ina l ( ga ) S pa n ( ft. ) N om ina l ( mm ) S pa n ( mm )
thickness maximum thickness maximum22 6-0 0.76 1829
20 6-6 0.91 1981
18 7-5 1.21 2261
16 8-2 1.52 2489
SERVICE LOAD TABLES P-3615 P-3606
SERVICE LOAD TABLE S (psf)
GAUGE DESIGN SINGLE SPAN (ft.)
THICK. 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00
22 0.0300 150 (117) (88) (69) (55) (46)
20 0.0359 183 145 (110) (85) (68) (56) (46)
18 0.0479 251 198 (154) (118) (94) (76) (63) (53) (45)
16 0.0595 315 249 (192) (147) (115) (93) (76) (64) (54) (47) (41)
GAUGE DESIGN DOUBLE SPAN (ft. )
THICK. 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00
22 0.0300 152 121 98 81 69 59 51 44
20 0.0359 186 148 120 100 84 72 62 54 47 42
18 0.0479 256 203 164 136 114 97 84 73 64 57 51 45 41
16 0.0595 318 251 204 168 141 120 104 90 80 70 63 56 51
GAUGE DESIGN TRIPLE SPAN (ft. )
THICK. 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00
22 0.0300 188 148 120 99 83 71 61 53 (46) (40)
20 0.0359 229 181 146 121 102 87 75 65 (56) (48) (42)
18 0.0479 313 247 200 166 139 119 102 89 (76) (65) (57) (50) (44)
16 0.0595 394 312 252 209 175 149 129 (112) (94) (80) (69) (60) (53)
SERVICE LOAD TABLE S (kPa)
GAUGE DESIGN SINGLE SPAN (mm)
THICK. 1200 1350 1500 1650 1800 1950 2100 2250 2400 2550 2700 2850 3000
22 0.762 7.42 5.86 (4.41) (3.43) (2.75) (2.27)
20 0.912 9.04 7.15 (5.50) (4.25) (3.39) (2.77) (2.31) (1.97)
18 1.217 12.38 9.78 (7.72) (5.92) (4.67) (3.78) (3.12) (2.63) (2.25) (1.95)
16 1.511 15.59 12.32 (9.61) (7.34) (5.76) (4.64) (3.81) (3.18) (2.71) (2.34) (2.04)
GAUGE DESIGN DOUBLE SPAN (mm)
THICK. 1200 1350 1500 1650 1800 1950 2100 2250 2400 2550 2700 2850 3000
22 0.762 7.52 5.97 4.85 4.02 3.39 2.89 2.50 2.18 1.92
20 0.912 9.19 7.30 5.93 4.92 4.14 3.53 3.05 2.66 2.34 2.07
18 1.217 12.67 10.01 8.11 6.70 5.63 4.80 4.14 3.60 3.17 2.81 2.50 2.25 2.03
16 1.511 15.72 12.42 10.06 8.32 6.99 5.95 5.13 4.47 3.93 3.48 3.11 2.79 2.52
GAUGE DESIGN TRIPLE SPAN (mm)
THICK. 1200 1350 1500 1650 1800 1950 2100 2250 2400 2550 2700 2850 3000
22 0.762 9.27 7.33 5.94 4.91 4.12 3.51 3.03 2.64 (2.29) (1.99)
20 0.912 11.31 8.93 7.24 5.98 5.02 4.28 3.69 3.22 (2.79) (2.41) (2.10)
18 1.217 15.47 12.23 9.90 8.18 6.88 5.86 5.05 4.40 (3.82) (3.26) (2.82) (2.47) (2.19)
16 1.511 19.49 15.40 12.47 10.31 8.66 7.38 6.36 5.54 (4.69) (3.99) (3.43) (2.99) (2.63)
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STEEL DEC K P-2436
Canams roof deck P-2436 is a steel deck roll formed to cover24 in. (610 mm) in width. The flutes are 3 in. (76 mm) deep
and are spaced at 6 in. (152 mm) on center. The deckcan be rolled to length from 6 ft. (1.8 m) to42 ft. 6 in. (13 m) and stacked in bundles
that will not exceed 4,000 pounds
(1800 kg) unless requested byour customer.
The deck is readilyavailable with steel
galvanized according toASTM standard A653 with a
zinc thickness correspondingto G90 (Z275), G60 (Z180), or A25 (ZF75).
Other finishes are available upon request, pleasecheck with our sales department for availability.
Nominal thicknesses range from 0.030 in.(0.76 mm) to 0.060 in. (1.52 mm).
Properties are based on a unit width of 12 in. for imperial units and a unit width of 1000 mm for S.I. units.The properties in the table were calculated according to AISI 1996 Specification for the Design of Cold-FormedSteel Structural Members, considering steel produced according to ASTM A653 SS Grade 33, yield strength = 33 ksi (230 MPa).
24(610 mm)
24(610 mm)
6
(152 mm)
4 1/2(114 mm)
1 1/2(38 mm)
6(152 mm)
4 1/2(114 mm)
1 1/2(38 mm)
2 1/2(64 mm)
3 1/2
(89 mm)
2 1/2(64 mm)
3 1/2
(89 mm)
3(76 mm)
3(76 mm)
P-2436
P-2436-B
DIMENSIONS
PHYSICAL PROPERTIES
Nominal Design Overall Weight Allowable Reaction Section Modulus Moment of
Thickness Thickness Depth Bearing 3 in. (76 mm) M+ M- Inertiaend interior
gauge in. in. lbs./ft.2 lbs. lbs. in.3 in.3 in.4
(nom. thick.) (mm) (mm) (kg/m2) (kN) (kN) (mm3) (mm3) (mm4)
22 0.0300 3.00 2.43 460 1,123 0.452 0.479 0.755
(0.76) (0.762) (76.2) (11.85) (6.71) (16.39) (24 324) (25 778) (1 030 709)
20 0.0359 3.01 2.88 700 1,637 0.580 0.596 0.949(0.91) (0.912) (76.3) (14.04) (10.22) (23.89) (31 208) (32 068) (1 296 529)
18 0.0479 3.02 3.75 1,449 2,916 0.807 0.809 1.365(1.21) (1.217) (76.6) (18.33) (21.15) (42.56) (43 413) (43 514) (1 863 517)
16 0.0595 3.03 4.63 2,362 4,455 1.023 1.011 1.743(1.52) (1.511) (76.9) (22.60) (34.47) (65.02) (55 019) (54 328) (2 380 559)
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LOAD TABLES P-243 6
Loads shown in the tables below are the allowable uniform loadsin pounds per square foot (kilopascals).
For spans of 9 ft. 0 in. (2.70 m) and over, loads that are inbrackets indicate that the allowable total load shown is limited tothe live load, producing a deflection equal to the span over 240,plus 10 psf (0.5 kPa). For spans of less than 9 ft. 0 in.(2.70 m), loads that are in brackets indicate that the allowabletotal load shown is limited by web crippling instead of bending.
Canams P-2436 roof deck offers greater strength against gravloads than standard 3 in. (76 mm) deep deck with flutes at 8 i(203 mm) on center and allows for more attachment per sheet the supports and thus for greater strength as a diaphragm.
SERVICE LOAD TABLES (psf)
GAUGE DESIGN SINGLE SPAN (ft.)
THICK. 8.00 8.50 9.00 9.50 10.00 10.50 11.00 11.50 12.00 12.50 13.00 13.50 14.00
22 0.0300 95 84 75 68 (60) (53) (47) (43)
20 0.0359 122 108 (96) (83) (73) (64) (57) (51) (46) (42)
18 0.0479 170 151 (134) (115) (100) (88) (78) (69) (62) (56) (51) (47) (43)
16 0.0595 216 191 (168) (144) (125) (110) (97) (86) (77) (69) (62) (57) (52)
GAUGE DESIGN DOUBLE SPAN (ft. )
THICK. 8.00 8.50 9.00 9.50 10.00 10.50 11.00 11.50 12.00 12.50 13.00 13.50 14.00
22 0.0300 97 86 77 70 63 57 52 48 44 41
20 0.0359 120 107 96 86 78 71 65 59 55 50 47 43 40
18 0.0479 170 151 135 121 109 99 90 82 76 70 65 60 56
16 0.0595 213 189 168 151 136 124 113 103 95 87 81 75 70
GAUGE DESIGN TRIPLE SPAN (ft. )
THICK. 8.00 8.50 9.00 9.50 10.00 10.50 11.00 11.50 12.00 12.50 13.00 13.50 14.00
22 0.0300 (117) 106 94 84 76 69 63 58 53 49 45 42
20 0.0359 149 133 119 107 97 88 81 74 68 63 58 54 50
18 0.0479 213 188 168 151 136 123 112 103 94 87 81 75 69
16 0.0595 266 236 210 189 170 154 141 129 118 109 101 93 87
SERVICE LOAD TABLES (kPa)
GAUGE DESIGN SINGLE SPAN (mm)
THICK. 2400 2550 2700 2850 3000 3150 3300 3450 3600 3750 3900 4050 4200
22 0.762 4.71 4.17 3.72 3.34 (2.98) (2.64) (2.36) (2.13) (1.93)
20 0.912 6.04 5.35 4.77 (4.15) (3.63) (3.20) (2.85) (2.55) (2.30) (2.09)
18 1.217 8.40 7.45 6.64 (5.76) (5.01) (4.39) (3.88) (3.46) (3.10) (2.80) (2.54) (2.32) (2.13)
16 1.511 10.65 9.44 (8.41) (7.22) (6.26) (5.48) (4.82) (4.28) (3.83) (3.44) (3.11) (2.83) (2.59)
GAUGE DESIGN DOUBLE SPAN (mm)
THICK. 2400 2550 2700 2850 3000 3150 3300 3450 3600 3750 3900 4050 4200
22 0.762 4.78 4.26 3.81 3.43 3.11 2.83 2.58 2.36 2.18 2.01
20 0.912 5.92 5.27 4.73 4.26 3.85 3.51 3.20 2.94 2.70 2.49 2.31 2.14 2.00
18 1.217 8.42 7.46 6.6 5.97 5.39 4.89 4.46 4.08 3.74 3.45 3.19 2.96 2.75
16 1.511 10.52 9.32 8.31 7.46 6.73 6.11 5.56 5.09 4.67 4.31 3.98 3.69 3.43
GAUGE DESIGN TRIPLE SPAN (mm)
THICK. 2400 2550 2700 2850 3000 3150 3300 3450 3600 3750 3900 4050 4200
22 0.762 (5.69) 5.21 4.65 4.17 3.77 3.42 3.11 2.85 2.62 2.41 2.23 2.07 1.92
20 0.912 7.34 6.54 5.86 5.28 4.79 4.36 3.98 3.65 3.36 3.09 2.86 2.65 2.47
18 1.217 10.51 9.31 8.30 7.45 6.72 6.10 5.56 5.08 4.67 4.30 3.98 3.69 3.43
16 1.511 13.15 11.64 10.39 9.32 8.41 7.63 6.95 6.36 5.84 5.38 4.98 4.62 4.29
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STEEL DEC K P-3615 COMPOSITE P-3606 COMPOSITE
Canams composite P-3615 and P-3606 are steel decks roll formed to cover 36 in. (914 mm). Theflutes are 1.5 in. (38 mm) deep and are spaced at 6 in. (152 mm) center to center.
The deck can be rolled to length from 6 ft. 0 in. (1.8 m)to 42 ft. 6 in. (13 m). The narrow flutes provide
enough space to weld headed studs throughthe deck to the top of beams or joists that will
then act in composite with theconcrete slab but therecould be a reduction to
the headed stud capacity.
The deck is available withsteel galvanized according to ASTMstandard A653 with a zinc thickness
corresponding to G60 (Z180). Other types of steelsheet finishes may affect the bond properties between
deck and concrete. Contact our sales departmentfor more information.
Standard thicknesses are 22 gauge (0.030 or 0.76 mm), 20 gauge (0.036
or 0.91 mm), and 18 gauge (0.048 or 1.21 mm). Standard steel grade conforms to ASTMstandard A653 SS Grade 33 with a yield strength of 33 ksi (230 MPa). Steel grades up to 50 ksi
(350 MPa) and material thickness of 19 gauge (0.042 or 1.07 mm) are available given sufficient delivery time.
PHYSICAL PROPERTIES
Nominal Overall Weight Allowable reaction Section Modulus Moment of Steel Center of
Thickness Depth Bearing 3 in. (76 mm) Inertia for Area Gravity
end interior M+ M- Deflection
gauge in. lbs./ft.2 lbs. lbs. in.3 in.3 in.4 in.2 in.
(mm) (mm) (kg/m2
) (kN) (kN) (mm3
) (mm3
) (mm4
) (mm2
) (mm)22 1.49 1.68 485 954 0.178 0.185 0.148 0.479 0.95
(0.76) (37.74) (8.22) (7.08) (13.92) (9580) (9961) (202 100) (1013) (24.20)
20 1.49 2.01 649 1,433 0.217 0.226 0.189 0.576 0.96
(0.91) (37.89) (9.83) (9.47) (20.91) (11 680) (12 165) (258 530) (1219) (24.30)
18 1.50 2.66 1,037 2,631 0.297 0.304 0.273 0.765 0.96
(1.21) (38.19) (12.97) (15.14) (38.39) (15 984) (16 365) (372 703) (1619) (24.40)
Properties are based on a unit width of 12 in. for imperial units and a unit width of 1000 mm for S.I. units.The properties in the table were calculated according to AISI 1996 Specification for the Design of Cold-FormedSteel Structural Members, considering steel produced according to ASTM A653 SS Grade 33, yield strength = 33 ksi (230 MPa).
36 (914 mm)
1 1/2(38 mm)
1 1/2(38 mm)
6 (152 mm)
2 1/2(64 mm)
1 1/2(38 mm)
4 1/2(114 mm)
3 1/2(89 mm)
36 (914 mm)
6 (152 mm)
2 1/2(64 mm)
1 1/2(38 mm)
4 1/2(114 mm)
3 1/2(89 mm)
P-3615 COMPOSITE
P-3606 COMPOSITE
DIMENSIONS
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SER VIC E LOAD TABLES P-3 615 C OMPOSITE P-36 06 C OMPOSITE
Example: Multiple spans of 6-0, total slab thickness of 4.0 with 2.5of concrete cover on top of the 1.5 deck profile.
During construction, the steel deck must support itself, the concrete,and the construction uniform load of 20 lbs./ft.2 or a transversal loadof 150 plf specified by the Steel Deck Institute for multiple spans.
The maximum unshored span shown in the table is checked forbending under the self weight and the construction loads, for webcrippling with a 3 long bearing, and for the deflection under wetconcrete to be less than span/180.
According to the table of maximum unshored span below, use a deckwith a nominal thickness of 22 gauge (t = 0.030) with a double or triplespan condition.
If the bearing is shorter than 3, the project engineer shall verify that thereaction produced by the wet concrete and the construction factoredloads is less than the web crippling factored resistance of the deck forthe reduced bearing:
For example: Interior bearing 3 long with multiple spans:Pf = maximum of (1.6 x 39 + 1.4 x 20) x 1.2 x 6.0 = 651 lbs.
or (1.6 x 39) x 1.2 x 6.0 + (1.4 x 150) x 0.575 = 570 lbs.
Pa = 954 lbs. (from table) Pr = Pa x 1.85 x 0.75Pr = 1324 lbs. > Pf = 651 lbs. selection is O.K. for web crippling
Once the concrete is cured, the composite slab will have to supportthese loads:
Deck and concrete 39 psfSuperimposed dead load 30 psfSuperimposed live load 100 psf
Total load to compare in load table:w = 39 + 30 + 100 = 169 psf
Total capacity should be equal to or greater than the total load:wa = 231 psf for a span of 6-0, with a 4 slab and 22 gauge steel deck.wa > w selection is O.K.
From the table below, the moment of inertia of the composite slab the example is 4.2 in.4 when the elastic modulus used for deflecticalculations equals 29,500 ksi.
Deflection = 5 x wsl x span4 = 5 x 100 x 6.04 x 1,728
(384 x Es x Icomp) (384 x 29,500 x 3.8 x 1,000)
= 0.03 < 6.0 x 12 = 0.20 selection is adequate
360
The project engineer is responsible for specifying the size and locatioof the wire mesh in the concrete slab in order to follow current concreinstallation practices.
The loads in the table have been limited to 300 psf. Furthermore, thcomposite deck part of fire rated assemblies is l imited tosuperimposed load of 250 psf.
Please contact Canam sales personnel when the total uniform loaexceed 200 psf as this is an indication that significant concentratloads will be used on that floor and that the composite slab and reinforcing should be verified for the effect of concentrated loads.
The shaded values indicate that the deck should be shored at mid-spduring the pour and the cure of the concrete for those span anconcrete thickness conditions and they should correspond to tmaximum unshored span values shown at the left of the table.
These tables are developed for steel having a yield strength (Fy) of 33 ksi and for concrete with a weight o145 pounds per cubic foot and with a minimum compressive resistance (fc) of 3 ksi at 28 days.
IMPERIA
SPAN (ft.)
Slab Deck Maximum unshored span Self Comp. mo. Deck-slab total uniform load capacity (psf)thick. thick. single double t riple weight of inertia
4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10(in. ) (gauge ) ( ft. ) (ft. ) (ft. ) (psf) (in. 4)
4.00
22 4.46 5.97 6.04 39 3.8 300 300 300 263 231 206 185 168 154 142 131 122 114
20 5.09 6.79 6.89 39 4.1 300 300 300 300 284 254 229 209 192 177 163 147 134
18 6.17 8.30 8.40 39 4.6 300 300 300 300 300 300 273 250 230 212 198 185 169
4.50
22 4.27 5.71 5.77 44 5.4 300 300 300 300 268 238 214 195 178 164 152 141 132
20 4.82 6.50 6.56 45 5.8 300 300 300 300 300 294 266 242 222 205 190 178 162
18 5.87 7.91 8.01 45 6.5 300 300 300 300 300 300 300 289 266 246 229 214 201
5.00
22 4.07 5.45 5.51 50 7.5 300 300 300 300 300 272 245 222 203 187 173 161 151
20 4.63 6.20 6.30 51 8.0 300 300 300 300 300 300 300 276 253 234 217 203 190
18 5.58 7.55 7.64 51 8.9 300 300 300 300 300 300 300 300 300 281 261 244 229
5.50
22 3.90 5.25 5.31 56 10.0 300 300 300 300 300 300 275 249 228 210 195 181 170
20 4.43 5.97 6.04 57 10.6 300 300 300 300 300 300 300 300 284 263 244 228 213
18 5.35 7.25 7.35 57 11.8 300 300 300 300 300 300 300 300 300 300 293 274 257
6.00
22 3.81 5.09 5.15 63 13.0 300 300 300 300 300 300 300 277 253 233 216 201 188
20 4.30 5.77 5.84 63 13.8 300 300 300 300 300 300 300 300 300 292 271 253 237
18 5.18 6.99 7.05 64 15.3 300 300 300 300 300 300 300 300 300 300 300 300 286
6.50
22 3.71 4.92 4.99 69 16.5 300 300 300 300 300 300 300 300 278 256 237 221 207
20 4.20 5.58 5.64 69 17.5 300 300 300 300 300 300 300 300 300 300 298 278 260
18 5.05 6.76 6.82 70 19.4 300 300 300 300 300 300 300 300 300 300 300 300 300
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SERVIC E LOAD TABLE S P-3 615 C OMPOSITE P-36 06 C OMPOSITE
12
steelCorporation
Example: Multiple spans of 1800 mm, total slab thickness of 102 mm with64 mm of concrete cover on top of the 38 mm deck profile.
During construction, the steel deck must support itself, the concrete,and the construction uniform load of 1 kPa or a transversal load of2.2 kN/m specified by the Steel Deck Institute for multiple spans.
The maximum unshored span shown in the table is checked for bendingunder the self weight and the construction loads, for web crippling with a76 mm long bearing, and for the deflection under wet concrete to be lessthan span/180.
According to the table of maximum unshored span below, use a deck witha nominal thickness of 0.76 mm with a double or triple span condition.
If the bearing is shorter than 76 mm, the project engineer shall verifythat the reaction produced by the wet concrete and the constructionfactored loads is less than the web crippling factored resistance of thedeck for the reduced bearing:
For example: Interior bearing 76 mm long with multiple spans:Pf = maximum of (1.6 x 1.8 + 1.4 x 1) x 1.2 x 1.8 m = 9.3 kN.
or (1.6 x 1.8) x 1.2 x 1.8 m + (1.4 x 2.2) x 0.575 = 8.0 kN.Pa = 13.9 kN (from table) Pr = Pa x 1.85 x 0.75
Pr = 19.3 kN > Pf = 9.3 kN selection is O.K. for web crippling
Once the concrete is cured, the composite slab will have to supportthese loads:
Deck and concrete 1.80 kPaSuperimposed dead load 1.44 kPaSuperimposed l ive load 4.80 kPa
Total load to compare in load table:w = 1.80 + 1.44 + 4.80 = 8.04 kPa
Total capacity should be equal to or greater than the total load:wa = 11.34 kPa for a span of 1800 mm, with a 102 mm slab and 0.76 mmsteel deck.wa> w selection is O.K.
From the table below, the moment of inertia of the composite slab inthe example is 5.8 x 106 mm4 when the elastic modulus used fordeflection calculations equals 203 000 MPa.
Deflection = 5 x wsl x span4 = 5 x 4.8 x 18004
(384 x Es x Icomp) (384 x 203 000 x 5.3 x 1 000 000)
= 0.6 mm < 1800 = 5.0 mm selection is adequate
360
The project engineer is responsible for specifying the size and locationof the wire mesh in the concrete slab in order to follow current concreteinstallation practices.
The loads in the table have been limited to 14.0 kPa. Furthermore, thecomposite deck part of fire rated assemblies is l imited to asuperimposed load of 12.0 kPa.
Please contact Canam sales personnel when the total uniform loadsexceed 9.6 kPa as this is an indication that significant concentratedloads will be used on that floor and that the composite slab and itsreinforcing should be verified for the effect of concentrated loads.
The shaded values indicate that the deck should be shored at mid-spanduring the pour and the cure of the concrete for those span andconcrete thickness conditions and they should correspond to themaximum unshored span values shown at the left of the table.
These tables are developed for steel having a yield strength (Fy) of 230 MPa and for concrete with a weightof 2 330 kg per cubic meter and a minimum compressive resistance (fc) of 20.7 MPa at 28 days.
METRIC
SPAN (mm )
Slab Deck Maximum unshored span Self Comp. mo. Deck-slab total uniform load capacity (kPa)thick. thick. single double t riple weight of inertia
12 00 1 350 1 500 165 0 18 00 19 50 2 10 0 2 250 24 00 2 550 27 00 28 50 30 00(mm) (mm) (mm) (mm) (mm) (kPa) (106mm 4)
102
0.76 1360 1820 1840 1.8 5.3 14.00 14.00 14.00 12.91 11.34 10.09 9.07 8.23 7.52 6.93 6.41 5.97 5.58
0.91 1550 2070 2100 1.9 5.6 14.00 14.00 14.00 14.00 13.91 12.43 11.22 10.22 9.37 8.65 8.03 7.25 6.59
1.21 1880 2530 2560 1.9 6.3 14.00 14.00 14.00 14.00 14.00 14.00 13.37 12.20 11.22 10.38 9.65 9.02 8.32
115
0.76 1290 1730 1750 2.1 7.6 14.00 14.00 14.00 14.00 13.23 11.77 10.58 9.60 8.78 8.08 7.48 6.97 6.51
0.91 1470 1970 2000 2.2 8.1 14.00 14.00 14.00 14.00 14.00 14.00 13.09 11.92 10.94 10.10 9.37 8.75 8.08
1.21 1780 2410 2430 2.2 9.1 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.09 12.11 11.27 10.53 9.88
125
0.76 1250 1680 1700 2.4 9.7 14.00 14.00 14.00 14.00 14.00 13.07 11.75 10.66 9.74 8.97 8.30 7.73 7.23
0.91 1420 1910 1930 2.4 10.4 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.23 12.14 11.21 10.41 9.71 9.10
1.21 1720 2320 2350 2.4 11.6 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.45 12.51 11.69 10.97
140 0.76 1190 1600 1620 2.7 13.7 14.00 14.00 14.00 14.00 14.00 14.00 13.49 12.24 11.19 10.30 9.54 8.88 8.30
0.91 1350 1820 1840 2.7 14.6 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.94 12.87 11.95 11.15 10.45
1.21 1630 2210 2240 2.8 16.3 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.43 12.60
150
0.76 1160 1560 1580 2.9 16.9 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.29 12.15 11.19 10.36 9.64 9.02
0.91 1310 1770 1790 3.0 18.0 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.98 12.98 12.11 11.35
1.21 1590 2140 2170 3.0 20.0 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.69
170
0.76 1120 1480 1500 3.4 24.6 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 12.96 12.00 11.17 10.45
0.91 1270 1680 1700 3.4 26.1 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.16
1.21 1530 2030 2050 3.4 28.9 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00
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SER VIC E LOAD TABLES P-3 615 C OMPOSITE P-36 06 C OMPOSITE
steelCorporation
LIGHTWEIGHT C ONC RE TE IMPERIA
These tables are developed for steel having a yield strength (Fy) of 33 ksi and for concrete with a weighof 115 pounds per cubic foot and with a minimum compressive resistance (fc) of 4 ksi at 28 days.
SER VIC E LOAD TABLES P-3 615 C OMPOSITE P-36 06 C OMPOSITE
LIGHTWEIGHT C ONC RE TE METRIC
These tables are developed for steel having a yield strength (Fy) of 230 MPa and for concrete with a weighof 1840 kg per cubic meter and with a minimum compressive resistance (fc) of 28 MPa at 28 days.
SPAN (ft.)Sl ab Deck M axi mum unshored span Self Comp. mo. Deck-slab total uniform l oad capacity (psf)
thick. thick. sing le d oub le tr ip le w eigh t of ine rti a4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10(in. ) (gauge) (ft. ) (ft. ) (ft. ) (psf) (in. 4)
4.0022 4.79 6.36 6.46 31 3.1 300 300 300 261 230 204 183 166 152 140 129 119 10920 5.48 7.28 7.38 31 3.4 300 300 300 300 282 252 227 207 190 171 154 139 126
18 6.66 8.96 9.06 32 3.8 300 300 300 300 300 300 272 248 228 211 194 175 1584.50
22 4.59 6.10 6.20 36 4.4 300 300 300 300 266 236 212 192 176 162 150 139 130
20 5.22 6.99 7.05 36 4.7 300 300 300 300 300 292 263 240 220 203 187 169 15318 6.36 8.56 8.66 37 5.3 300 300 300 300 300 300 300 287 264 244 227 212 194
5.00
22 4.40 5.87 5.94 40 6.0 300 300 300 300 300 270 242 220 201 184 171 159 14820 4.99 6.69 6.79 41 6.5 300 300 300 300 300 300 300 273 251 231 215 200 183
18 6.07 8.20 8.30 41 7.3 300 300 300 300 300 300 300 300 300 278 259 242 227
5.5022 4.23 5.68 5.74 45 8.0 300 300 300 300 300 300 272 247 225 207 192 178 167
20 4.82 6.46 6.53 45 8.6 300 300 300 300 300 300 300 300 282 260 241 225 21118 5.84 7.87 7.97 46 9.6 300 300 300 300 300 300 300 300 300 300 291 271 255
6.00
22 4.10 5.48 5.54 50 10.4 300 300 300 300 300 300 300 274 250 230 213 198 18520 4.63 6.23 6.33 50 11.1 300 300 300 300 300 300 300 300 300 288 268 250 234
18 5.61 7.61 7.68 51 12.4 300 300 300 300 300 300 300 300 300 300 300 300 283
6.5022 3.97 5.31 5.38 55 13.1 300 300 300 300 300 300 300 300 275 253 234 217 203
20 4.49 6.04 6.14 55 14.1 300 300 300 300 300 300 300 300 300 300 294 274 257
18 5.41 7.35 7.45 56 15.7 300 300 300 300 300 300 300 300 300 300 300 300 300
SPAN (mm)Sl ab Deck M axi mum unshored span Self Comp. mo. Deck-sl ab total uniform load capacity (kPa )thick. thick. sing le d oub le tr ip le w eigh t of ine rti a
1200 1350 1500 1650 1800 1950 2100 2250 2400 2550 2700 2850 3000(mm) (mm) (mm) (mm) (mm) (kPa) (106mm 4)
1020.76 1460 1940 1970 1.5 4.2 14.00 14.00 14.00 12.82 11.25 10.00 8.98 8.14 7.43 6.83 6.32 5.88 5.3
0.91 1670 2220 2250 1.5 4.6 14.00 14.00 14.00 14.00 13.82 12.34 11.13 10.12 9.28 8.45 7.58 6.84 6.21.21 2030 2730 2760 1.5 5.2 14.00 14.00 14.00 14.00 14.00 14.00 13.28 12.11 11.13 10.29 9.56 8.62 7.8
115
0.76 1400 1860 1880 1.7 6.1 14.00 14.00 14.00 14.00 13.13 11.66 10.48 9.49 8.67 7.97 7.38 6.86 6.40.91 1590 2120 2150 1.7 6.6 14.00 14.00 14.00 14.00 14.00 14.00 12.99 11.82 10.83 9.99 9.27 8.43 7.6
1.21 1930 2600 2630 1.8 7.4 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 12.99 12.01 11.16 10.42 9.6
125
0.76 1350 1800 1830 1.9 7.8 14.00 14.00 14.00 14.00 14.00 12.95 11.63 10.54 9.62 8.85 8.19 7.61 7.10.91 1530 2060 2080 1.9 8.4 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.12 12.02 11.09 10.29 9.59 8.7
1.21 1860 2510 2540 1.9 9.5 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.33 12.39 11.57 10.8140
0.76 1290 1730 1750 2.2 11.0 14.00 14.00 14.00 14.00 14.00 14.00 13.36 12.10 11.05 10.16 9.40 8.74 8.10.91 1460 1970 1990 2.2 11.8 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.81 12.74 11.82 11.02 10.3
1.21 1780 2400 2430 2.2 13.2 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.29 12.4
1500.76 1260 1680 1700 2.3 13.5 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.15 12.01 11.04 10.21 9.50 8.8
0.91 1420 1910 1940 2.4 14.5 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.84 12.84 11.97 11.2
1.21 1720 2330 2360 2.4 16.2 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.5170
0.76 1190 1600 1620 2.7 19.5 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.91 12.79 11.83 11.00 10.2
0.91 1350 1820 1840 2.7 20.9 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.87 12.91.21 1630 2210 2240 2.8 23.4 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.0
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steelCorporation
STEEL DEC K P-3623 COMPOSITE
Canams composite P-3623 is a steel deck roll formed to cover 36 in. (914 mm). The flutes are 2 in. (51 mm)deep and are spaced at 12 in. (305 mm) center to center. The deck can be rolled to length from 6 ft. 6 in.
(2000 mm) to 40 ft. 0 in. (12 200 mm). The wide flutes provide enough space to weldheaded studs through the deck to the top of beams or joists that will
then act in composite with the concrete slab.
The deck is available with steel galvanized
according to ASTM standard A653 with a zincthickness corresponding to G60 (Z180).
Other types of steel sheetfinishes may affect the
bond propertiesbetween deck and
concrete. Venting slots can beadded to the bottom of the flutes.
Contact our sales departmentfor more information.
Standard thicknesses are 22 gauge (0.030 in. or 0.76 mm),20 gauge (0.036 in. or 0.91 mm), and 18 gauge
(0.048 in. or 1.21 mm). Standard steel grade conforms to ASTM standardA653 SS Grade 33 with a yield strength of 33 ksi (230 MPa). Steel grades
up to 50 ksi (350 MPa) and material thickness of 19 gauge(0.042 in. or 1.07 mm) are available given sufficient delivery time.
PHYSICAL PROPERTIES
Nominal Overall Weight Allowable reaction Section Modulus Moment of Steel Center of
Thickness Depth Bearing 5 in. (127 mm) Inertia for Area Gravity
end interior M+ M- Deflection
gauge in. lbs./ft.2 lbs. lbs. in.3 in.3 in.4 in.2 in.
(mm) (mm) (kg/m2) (kN) (kN) (mm3) (mm3) (mm4) (mm2) (mm)22 2.00 1.68 352 787 0.277 0.278 0.323 0.449 1.00
(0.76) (50.80) (8.22) (5.14) (11.49) (14 892) (14 946) (441 080) (950) (25.40)
20 2.01 2.01 462 1,101 0.355 0.357 0.401 0.540 1.00
(0.91) (50.95) (9.83) (6.74) (16.06) (19 086) (19 193) (547 594) (1143) (25.40)
18 2.02 2.66 812 1,821 0.518 0.519 0.535 0.717 1.00
(1.21) (51.25) (12.97) (11.85) (26.57) (27 849) (27 903) (730 581) (1518) (25.40)
Properties are based on a unit width of 12 in. for imperial units and a unit width of 1000 mm for S.I. units.The properties in the table were calculated according to AISI 1996 Specification for the Design of Cold-FormedSteel Structural Members, considering steel produced according to ASTM A653 SS Grade 33, yield strength = 33 ksi (230 MPa).
5 1/2
(140 mm)
2(51 mm)
6 1/2(165 mm)
5 1/2(140 mm)
12(305 mm)
36 (914 mm)
DIMENSIONS
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steelCorporation
SERVICE LOAD TABLES P-3623 COMPOSITE
SPAN (ft.)
Slab Deck Maximum unshored span Self Comp. mo. Deck-slab total uniform load capacity (psf)thick. thick. single double t riple weight of inertia
5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11(in. ) (gauge ) ( ft. ) (ft. ) (ft. ) (psf) (in. 4)
4.00
22 5.97 8.04 8.14 38 4.2 299 253 218 190 168 150 135 122 112 103 95 88 82
20 6.99 9.12 9.42 38 4.5 300 300 270 235 208 185 166 150 137 126 116 108 100
18 8.73 10.93 11.29 39 5.0 300 300 300 281 247 220 198 179 163 149 137 127 118
4.50
22 5.68 7.64 7.74 44 5.9 300 295 254 222 196 175 157 143 130 120 111 103 96
20 6.59 8.66 8.96 44 6.3 300 300 300 275 242 216 194 175 160 147 135 125 117
18 8.23 10.40 10.73 45 7.0 300 300 300 300 289 257 230 208 190 174 160 148 138
5.50
22 5.18 7.02 7.09 56 10.5 300 300 300 285 251 224 202 183 167 154 142 132 123
20 6.00 7.94 8.20 57 11.2 300 300 300 300 300 277 249 225 205 188 174 161 150
18 7.48 9.51 9.84 57 12.3 300 300 300 300 300 300 296 268 244 223 206 190 177
6.00 22 4.99 6.76 6.82 62 13.5 300 300 300 300 279 249 224 203 186 171 158 147 137
20 5.81 7.61 7.87 63 14.3 300 300 300 300 300 300 276 250 228 209 193 179 167
18 7.22 9.15 9.45 63 15.8 300 300 300 300 300 300 300 297 271 248 229 212 197
6.50
22 4.89 6.50 6.59 68 17.1 300 300 300 300 300 274 247 224 204 188 174 161 150
20 5.64 7.35 7.61 69 18.1 300 300 300 300 300 300 300 275 251 230 212 197 183
18 7.02 8.83 9.12 69 19.9 300 300 300 300 300 300 300 300 298 273 251 233 216
7.25
22 4.72 6.20 6.27 77 23.5 300 300 300 300 300 300 280 254 232 213 197 183 171
20 5.45 6.99 7.22 78 24.8 300 300 300 300 300 300 300 300 285 262 241 224 208
18 6.79 8.40 8.69 78 27.2 300 300 300 300 300 300 300 300 300 300 285 264 246
Example: Multiple spans of 7-6, total slab thickness of 4.5 with 2.5of concrete cover on top of the 2 deck profile.
During construction, the steel deck must support itself, the concrete,and the construction uniform load of 20 lbs./ft.2 or a transversal loadof 150 plf specified by the Steel Deck Institute for multiple spans.
The maximum unshored span shown in the table is checked forbending under the self weight and the construction loads, for webcrippling with a 5 long bearing, and for the deflection under wetconcrete to be less than span/180.
According to the table of maximum unshored span below, use a deckwith a nominal thickness of 22 gauge (t = 0.030) with a double or triplespan condition.
If the bearing is shorter than 5, the project engineer shall verify that thereaction produced by the wet concrete and the construction factoredloads is less than the web crippling factored resistance of the deck forthe reduced bearing:
For example: Interior bearing 5 long with multiple spans:Pf = maximum of (1.6 x 44 + 1.4 x 20) x 1.2 x 7.5 = 886 lbs.
or (1.6 x 44) x 1.2 x 7.5 + (1.4 x 150) x 0.575 = 754 lbs.
Pa = 787 lbs. (from table) Pr = Pa 1.85 x 0.75Pr = 1,092 lbs. > Pf = 886 lbs. selection is O.K. for web crippling
Once the concrete is cured, the composite slab will have to supportthese loads:
Deck and concrete 44 psfSuperimposed dead load 30 psfSuperimposed live load 100 psf
Total load to compare in load table:w = 44 + 30 + 100 = 174 psf
Total capacity should be equal to or greater than the total load:wa = 175 psf for a span of 7-6, with a 4.5 slab and 22 gauge steel deck.wa > w selection is O.K.
From the table below, the moment of inertia of the composite slab the example is 5.9 in.4 when the elastic modulus used for deflecticalculations equals 29,500 ksi.
Deflection = 5 x wsl x span4 = 5 x 100 x 7.54 x 1,728
(384 x Es x Icomp) (384 x 29,500 x 5.9 x 1,000)
= 0.04 < 7.5 x 12 = 0.25 selection is adequate
360
The project engineer is responsible for specifying the size and locatioof the wire mesh in the concrete slab in order to follow current concreinstallation practices.
The loads in the table have been limited to 300 psf. Furthermore, thcomposite deck part of fire rated assemblies is l imited tosuperimposed load of 250 psf.
Please contact Canam sales personnel when the total uniform loaexceed 200 psf as this is an indication that significant concentratloads will be used on that floor and that the composite slab and reinforcing should be verified for the effect of concentrated loads.
The shaded values indicate that the deck should be shored at mid-spduring the pour and the cure of the concrete for those span anconcrete thickness conditions and they should correspond to tmaximum unshored span values shown at the left of the table.
These tables are developed for steel having a yield strength (Fy) of 33 ksi and for concrete with a weight o145 pounds per cubic foot and with a minimum compressive resistance (fc) of 3 ksi at 28 days.
IMPERIA
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steelCorporation
SERVICE LOAD TABLES P-3623 COMPOSITE
SPAN (mm)
Slab Deck Maximum unshored span Self Comp. mo. Deck-slab total uniform load capacity (kPa)thick. thick. single double t riple weight of inertia
15 00 1 650 1 800 195 0 21 00 22 50 2 40 0 2 550 27 00 2 850 30 00 31 50 33 00(mm) (mm) (mm) (mm) (mm) (kPa) (106mm 4)
102
0.76 1820 2450 2480 1.8 5.8 14.00 12.51 10.76 9.39 8.29 7.39 6.65 6.03 5.51 5.06 4.68 4.34 4.05
0.91 2120 2780 2870 1.8 6.2 14.00 14.00 13.37 11.64 10.26 9.13 8.21 7.43 6.77 6.21 5.73 5.31 4.94
1.21 2660 3330 3440 1.9 6.9 14.00 14.00 14.00 13.90 12.24 10.88 9.76 8.83 8.04 7.36 6.78 6.28 5.84
115
0.76 1720 2330 2350 2.1 8.2 14.00 14.00 12.59 10.98 9.69 8.64 7.78 7.05 6.44 5.92 5.47 5.08 4.73
0.91 2000 2630 2720 2.1 8.7 14.00 14.00 14.00 13.61 12.00 10.68 9.59 8.68 7.92 7.26 6.69 6.20 5.77
1.21 2500 3160 3270 2.2 9.7 14.00 14.00 14.00 14.00 14.00 12.72 11.41 10.32 9.39 8.61 7.93 7.34 6.82
140
0.76 1580 2130 2160 2.7 14.4 14.00 14.00 14.00 14.00 12.39 11.05 9.94 9.02 8.23 7.56 6.99 6.49 6.05
0.91 1830 2410 2500 2.7 15.3 14.00 14.00 14.00 14.00 14.00 13.65 12.26 11.10 10.12 9.28 8.55 7.93 7.38
1.21 2280 2900 3000 2.7 16.9 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.19 12.01 11.00 10.13 9.37 8.71
150 0.76 1530 2070 2090 2.9 17.6 14.00 14.00 14.00 14.00 13.47 12.01 10.81 9.80 8.95 8.22 7.59 7.05 6.57
0.91 1780 2340 2420 2.9 18.7 14.00 14.00 14.00 14.00 14.00 14.00 13.33 12.07 11.00 10.09 9.30 8.62 8.02
1.21 2210 2810 2900 3.0 20.6 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.05 11.95 11.01 10.19 9.47
160
0.76 1500 2010 2040 3.2 21.3 14.00 14.00 14.00 14.00 14.00 12.97 11.67 10.58 9.66 8.88 8.20 7.61 7.10
0.91 1740 2270 2350 3.2 22.5 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.03 11.88 10.89 10.04 9.31 8.66
1.21 2170 2730 2820 3.2 24.8 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 12.91 11.89 11.00 10.23
180
0.76 1450 1910 1930 3.6 30.0 14.00 14.00 14.00 14.00 14.00 14.00 13.40 12.15 11.10 10.19 9.42 8.74 8.15
0.91 1680 2150 2230 3.6 31.7 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.64 12.51 11.53 10.69 9.95
1.21 2080 2590 2670 3.7 34.8 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.65 12.63 11.74
Example: Multiple spans of 2250 mm, total slab thickness of 115 mm with64 mm of concrete cover on top of the 51 mm deck profile.
During construction, the steel deck must support itself, the concrete,and the construction uniform load of 1 kPa or a transversal load of2.2 kN/m specified by the Steel Deck Institute for multiple spans.
The maximum unshored span shown in the table is checked for bendingunder the self weight and the construction loads, for web crippling with a127 mm long bearing, and for the deflection under wet concrete to be lessthan span/180.
According to the table of maximum unshored span below, use a deck witha nominal thickness of 0.76 mm with a double or triple span condition.
If the bearing is shorter than 127 mm, the project engineer shall verifythat the reaction produced by the wet concrete and the constructionfactored loads is less than the web crippling factored resistance of thedeck for the reduced bearing:
For example: Interior bearing 127 mm long with multiple spans:Pf = maximum of (1.6 x 2.11 + 1.4 x 1) x 1.2 x 2.25 m = 12.9 kN
or (1.6 x 2.11) x 1.2 x 2.25 m + (1.4 x 2.2) x 0.575 = 10.9 kNPa = 11.49 kN (from table) Pr = Pa x 1.85 x 0.75
Pr = 15.9 kN > Pf = 12.9 kN selection os O.K. for web crippling
Once the concrete is cured, the composite slab will have to supportthese loads:
Deck and concrete 2.11 kPaSuperimposed dead load 1.44 kPaSuperimposed l ive load 4.80 kPa
Total load to compare in load table:w = 2.11 + 1.44 + 4.80 = 8.35 kPa
Total capacity should be equal to or greater than the total load:wa = 8.64 kPa for a span of 2250 mm, with a 115 mm slab and 0.76 mmsteel deck.wa> w selection is O.K.
From the table below, the moment of inertia of the composite slab inthe example is 8.2 x 106 mm4 when the elastic modulus used fordeflection calculations equals 203 000 MPa.
Deflection = 5 x wsl x span4 = 5 x 4.8 x 22504
(384 x Es x Icomp) (384 x 203 000 x 8.2 x 1 000 000)
= 1.0 mm < 2250 = 6.3 mm selection is adequate
360
The project engineer is responsible for specifying the size and locationof the wire mesh in the concrete slab in order to follow current concreteinstallation practices.
The loads in the table have been limited to = 14.0 kPa. Furthermore,the composite deck part of fire rated assemblies is limited to asuperimposed load of 12.0 kPa.
Please contact Canam sales personnel when the total uniform loadsexceed 9.6 kPa as this is an indication that significant concentratedloads will be used on that floor and that the composite slab and itsreinforcing should be verified for the effect of concentrated loads.
The shaded values indicate that the deck should be shored at mid-spanduring the pour and the cure of the concrete for those span andconcrete thickness conditions and they should correspond to themaximum unshored span values shown at the left of the table.
These tables are developed for steel having a yield strength (Fy) of 230 MPa and for concrete with a weightof 2330 kg per cubic meter and a minimum compressive resistance (fc) of 20.7 MPa at 28 days.
METRIC
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steelCorporation
SERVICE LOAD TABLES P-3623 COMPOSITE
SPAN (mm)Sl ab Deck M axi mum unshored span Self Comp. mo. Deck-sl ab total uniform load capacity (kPa )
thick. thick. sing le d oub le tr ip le w eigh t of ine rti a1500 1650 1800 1950 2100 2250 2400 2550 2700 2850 3000 3150 3300
(mm) (mm) (mm) (mm) (mm) (kPa) (106mm 4)
1150.76 1870 2510 2540 1.7 6.5 14.00 14.00 12.48 10.87 9.59 8.54 7.67 6.95 6.33 5.81 5.36 4.97 4.6
0.91 2180 2840 2940 1.7 7.0 14.00 14.00 14.00 13.51 11.89 10.58 9.49 8.58 7.81 7.15 6.59 6.10 5.61.21 2730 3410 3520 1.8 7.9 14.00 14.00 14.00 14.00 14.00 12.62 11.31 10.21 9.29 8.50 7.82 7.23 6.7
120
0.76 1830 2470 2500 1.8 7.4 14.00 14.00 13.18 11.48 10.12 9.01 8.10 7.33 6.69 6.13 5.66 5.25 4.80.91 2140 2790 2890 1.8 7.9 14.00 14.00 14.00 14.00 12.55 11.16 10.02 9.06 8.24 7.55 6.95 6.44 5.9
1.21 2680 3350 3460 1.8 8.9 14.00 14.00 14.00 14.00 14.00 13.32 11.94 10.78 9.81 8.97 8.25 7.63 7.0
127
0.76 1790 2410 2440 1.9 8.7 14.00 14.00 14.00 12.33 10.87 9.68 8.70 7.88 7.18 6.59 6.08 5.63 5.20.91 2080 2730 2820 1.9 9.3 14.00 14.00 14.00 14.00 13.48 11.99 10.76 9.72 8.85 8.11 7.47 6.91 6.41.21 2610 3270 3380 2.0 10.4 14.00 14.00 14.00 14.00 14.00 14.00 12.82 11.58 10.53 9.63 8.86 8.19 7.6
150
0.76 1660 2250 2270 2.3 14.0 14.00 14.00 14.00 14.00 13.32 11.87 10.66 9.65 8.80 8.07 7.45 6.90 6.40.91 1930 2550 2630 2.4 14.9 14.00 14.00 14.00 14.00 14.00 14.00 13.18 11.92 10.85 9.94 9.15 8.47 7.8
1.21 2410 3050 3160 2.4 16.6 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 12.90 11.81 10.86 10.04 9.3
1650.76 1600 2160 2190 2.6 18.4 14.00 14.00 14.00 14.00 14.00 13.29 11.94 10.81 9.86 9.04 8.34 7.73 7.2
0.91 1850 2450 2530 2.6 19.6 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.35 12.15 11.13 10.25 9.49 8.8
1.21 2310 2930 3030 2.7 21.8 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.22 12.17 11.25 10.4185
0.76 1530 2060 2080 3.0 25.5 14.00 14.00 14.00 14.00 14.00 14.00 13.65 12.36 11.27 10.34 9.53 8.84 8.20.91 1770 2330 2410 3.0 27.2 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.89 12.72 11.72 10.84 10.0
1.21 2200 2790 2890 3.0 30.2 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.90 12.85 11.9
SPAN (ft.)Sl ab Deck M axi mum unshored span Self Comp. mo. Deck-slab total uniform l oad capacity (psf)
thick. thick. sing le d oub le tr ip le w eigh t of ine rti a5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11(in. ) (gauge) (ft. ) (ft. ) (ft. ) (psf) (in. 4)
4.5022 6.14 8.27 8.37 35 4.7 300 293 252 219 193 172 155 140 128 117 108 101 94
20 7.15 9.35 9.68 36 5.0 300 300 300 272 240 213 192 173 158 145 133 123 11518 8.99 11.22 11.58 36 5.7 300 300 300 300 286 255 228 206 188 172 158 146 136
4.75
22 6.00 8.07 8.17 38 5.5 300 300 270 235 207 185 166 150 137 126 116 108 10020 6.99 9.15 9.45 38 5.9 300 300 300 292 257 229 205 186 169 155 143 132 123
18 8.76 10.96 11.32 39 6.6 300 300 300 300 300 273 244 221 201 184 169 157 1455.00
22 5.87 7.91 8.01 40 6.3 300 300 288 251 221 197 177 160 146 134 124 115 107
20 6.82 8.96 9.25 40 6.8 300 300 300 300 274 244 219 198 180 165 152 141 13118 8.56 10.73 11.09 41 7.6 300 300 300 300 300 291 261 236 214 196 180 167 155
5.50
22 5.64 7.61 7.68 45 8.3 300 300 300 282 249 221 199 180 164 151 139 129 12020 6.56 8.60 8.89 45 8.9 300 300 300 300 300 274 246 223 203 186 171 158 147
18 8.17 10.33 10.66 46 10.0 300 300 300 300 300 300 293 265 241 221 203 188 174
6.5022 5.25 7.09 7.19 55 13.5 300 300 300 300 300 271 243 220 201 184 170 158 147
20 6.07 8.01 8.30 55 14.4 300 300 300 300 300 300 300 272 248 227 209 193 18018 7.58 9.61 9.94 56 16.0 300 300 300 300 300 300 300 300 294 269 248 229 213
7.25
22 5.02 6.76 6.86 62 18.5 300 300 300 300 300 300 276 250 228 209 193 179 16720 5.81 7.64 7.91 62 19.7 300 300 300 300 300 300 300 300 281 258 237 220 204
18 7.25 9.19 9.48 63 21.8 300 300 300 300 300 300 300 300 300 300 282 260 242
LIGHTWEIGHT C ONC RE TE IMPERIA
These tables are developed for steel having a yield strength (Fy) of 33 ksi and for concrete with a weighof 115 pounds per cubic foot and with a minimum compressive resistance (fc) of 4 ksi at 28 days.
SERVICE LOAD TABLES P-3623 COMPOSITE
LIGHTWEIGHT C ONC RE TE METRIC
These tables are developed for steel having a yield strength (Fy) of 230 MPa and for concrete with a weighof 1840 kg per cubic meter and with a minimum compressive resistance (fc) of 28 MPa at 28 days.
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STEEL DEC K P-2432 COMPOSITE
18
steelCorporation
Canams composite P-2432 is a steel deck roll formed to cover 24 in. (610 mm). The flutesare 3 in. (76 mm) deep and are spaced at 12 in. (305 mm) center to center. The deck
can be rolled to length from 6 ft. 6 in. (2000 mm) to 40 ft. 0 in.(12 200 mm). The wide flutes provide enough space to weldheaded studs through the deck to the top of beams or joists
that will then act in composite with the concrete slab.
The deck is available with steel galvanizedaccording to ASTM standard A653 with
a zinc thickness corresponding toG60 (Z180). Other types of steel
sheet finishes may affect thebond properties between
deck and concrete. Ventingslots can be added to the bottom
of the flutes. Contact our salesdepartment for more information.
Standard thicknesses are 22 gauge (0.030 in. or 0.76 mm),20 gauge (0.036 in. or 0.91 mm), and 18 gauge (0.048 in. or 1.21 mm).
Standard steel grade conforms to ASTM standard A653 SS Grade 33 with a yieldstrength of 33 ksi (230 MPa). Steel grades up to 50 ksi (350 MPa) and material
thickness of 19 gauge (0.042 in. or 1.07 mm) are available given sufficient delivery time.
Properties are based on a unit width of 12 in. for imperial units and a unit width of 1000 mm for S.I. units.The properties in the table were calculated according to AISI 1996 Specification for the Design of Cold-FormedSteel Structural Members, considering steel produced according to ASTM A653 SS Grade 33, yield strength = 33 ksi (230 MPa).
PHYSICAL PROPERTIES
Nominal Overall Weight Allowable reaction Section Modulus Moment of Steel Center of
Thickness Depth Bearing 5 in. (127 mm) Inertia for Area Gravity
end interior M+ M- Deflection
gauge in. lbs./ft.2 lbs. lbs. in.3 in.3 in.4 in.2 in.
(mm) (mm) (kg/m2) (kN) (kN) (mm3) (mm3) (mm4) (mm2) (mm)
22 3.00 1.94 338 771 0.438 0.453 0.834 0.509 1.47
(0.76) (76.20) (9.49) (4.93) (11.26) (23 548) (24 354) (1 138 887) (1077) (37.40)
20 3.01 2.31 453 1,099 0.561 0.582 1.000 0.612 1.48
(0.91) (76.35) (11.27) (6.61) (16.04) (30 161) (31 290) (1 365 572) (1295) (37.50)
18 3.02 3.03 819 1,847 0.822 0.835 1.330 0.813 1.48
(1.21) (76.65) (14.78) (11.96) (26.95) (44 193) (44 892) (1 816 211) (1720) (37.60)
24(610 mm)
5 5/16
(135 mm)
6 7/16(164 mm)
5 9/16(141 mm)
12(305 mm)
3(76 mm)
DIMENSIONS
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steelCorporation
SERVICE LOAD TABLES P-2432 COMPOSITE
SPAN (ft.)
Slab Deck Maximum unshored span Self Comp. mo. Deck-slab total uniform load capacity (psf)thick. thick. single double t riple weight of inertia
7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13(in. ) (gauge ) ( ft. ) (ft. ) (ft. ) (psf) (in. 4)
5.00
22 7.12 9.32 9.65 50 7.8 246 216 192 171 154 140 128 117 108 100 93 87 81
20 8.23 10.53 10.89 51 8.3 300 271 244 220 201 184 170 157 146 135 125 116 108
18 10.20 12.57 12.99 51 9.2 300 300 296 270 247 228 212 197 184 170 157 146 136
5.50
22 6.82 8.92 9.25 56 10.2 281 246 219 195 176 160 145 133 123 114 106 99 92
20 7.84 10.10 10.43 57 10.8 300 300 278 251 229 210 193 179 167 156 144 134 125
18 9.71 12.04 12.43 58 11.9 300 300 300 300 282 260 241 225 210 197 182 169 157
6.50
22 6.40 8.27 8.56 69 16.4 300 300 272 243 219 199 181 166 153 142 132 123 115
20 7.38 9.38 9.68 69 17.4 300 300 300 300 285 262 241 223 207 194 182 171 161
18 9.15 11.19 11.55 70 19.1 300 300 300 300 300 300 300 280 262 246 232 218 203
7.00 22 6.23 7.71 8.04 75 20.3 300 300 299 267 241 218 199 182 168 155 144 135 126
20 7.19 9.06 9.35 75 21.5 300 300 300 300 300 287 265 245 228 213 199 188 177
18 8.89 10.79 11.15 76 23.6 300 300 300 300 300 300 300 300 288 270 254 240 228
7.50
22 6.10 7.25 7.55 81 24.8 300 300 300 291 262 238 217 199 183 169 157 147 137
20 7.02 8.79 9.09 81 26.2 300 300 300 300 300 300 288 267 248 232 217 204 193
18 8.69 10.47 10.83 82 28.7 300 300 300 300 300 300 300 300 300 294 277 262 248
8.25
22 5.91 6.63 6.89 90 32.7 300 300 300 300 295 267 244 223 206 190 177 165 154
20 6.79 8.40 8.69 90 34.5 300 300 300 300 300 300 300 300 279 260 244 230 216
18 8.40 10.04 10.37 91 37.8 300 300 300 300 300 300 300 300 300 300 300 294 279
Example: Multiple spans of 10-0, total slab thickness of 5.5 with 2.5of concrete cover on top of the 3 deck profile.
During construction, the steel deck must support itself, the concrete,and the construction uniform load of 20 lbs./ft.2 or a transversal loadof 150 plf specified by the Steel Deck Institute for multiple spans.
The maximum unshored span shown in the table is checked forbending under the self weight and the construction loads, for webcrippling with a 5 long bearing, and for the deflection under wetconcrete to be less than span/180.
According to the table of maximum unshored span below, use a deckwith a nominal thickness of 20 gauge (t = 0.036) with a double or triplespan condition.
If the bearing is shorter than 5, the project engineer shall verify that thereaction produced by the wet concrete and the construction factoredloads is less than the web crippling factored resistance of the deck forthe reduced bearing:
For example: Interior bearing 5 long with multiple spans:Pf = maximum of (1.6 x 57 + 1.4 x 20) x 1.2 x 10.0 = 1,430 lbs.
or (1.6 x 57) x 1.2 x 10.0 + (1.4 x 150) x 0.575 = 1,215 lbs.
Pa = 1,099 lbs. (from table) Pr = Pa x1.85 x 0.75Pr = 1,525 lbs. > Pf = 1,430 lbs. selection is O.K. for web crippling
Once the concrete is cured, the composite slab will have to supportthese loads:
Deck and concrete 57 psfSuperimposed dead load 30 psfSuperimposed live load 100 psf
Total load to compare in load table:w = 57 + 30 + 100 = 187 psf
Total capacity should be equal to or greater than the total load:wa = 193 psf for a span of 10-0, with a 5.5 slab and 20 gauge steel deck.wa > w selection is O.K.
From the table below, the moment of inertia of the composite slab the example is 10.8 in.4 when the elastic modulus used for deflecticalculations equals 29,500 ksi.
Deflection = 5 x wsl x span4 = 5 x 100 x 10.04 x 1,728
(384 x Es x Icomp) (384 x 29,500 x 10.8 x 1,000)
= 0.07 < 10.0 x 12 = 0.33 selection is adequat
360
The project engineer is responsible for specifying the size and locatioof the wire mesh in the concrete slab in order to follow current concreinstallation practices.
The loads in the table have been limited to 300 psf. Furthermore, thcomposite deck part of fire rated assemblies is l imited tosuperimposed load of 250 psf.
Please contact Canam sales personnel when the total uniform loaexceed 200 psf as this is an indication that significant concentratloads will be used on that floor and that the composite slab and reinforcing should be verified for the effect of concentrated loads.
The shaded values indicate that the deck should be shored at mid-spduring the pour and the cure of the concrete for those span anconcrete thickness conditions and they should correspond to tmaximum unshored span values shown at the left of the table.
These tables are developed for steel having a yield strength (Fy) of 33 ksi and for concrete with a weight o145 pounds per cubic foot and with a minimum compressive resistance (fc) of 3 ksi at 28 days.
IMPERIA
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SERVICE LOAD TABLES P-2432 COMPOSITE
20
steelCorporation
SPAN (mm)
Slab Deck Maximum unshored span Self Comp. mo. Deck-slab total uniform load capacity (kPa)thick. thick. single double t riple weight of inertia
22 00 2 350 2 500 265 0 28 00 29 50 3 10 0 3 250 34 00 3 550 37 00 38 50 40 00(mm) (mm) (mm) (mm) (mm) (kPa) (106mm 4)
127
0.76 2170 2840 2940 2.4 10.6 11.11 9.82 8.76 7.87 7.12 6.48 5.93 5.45 5.04 4.68 4.36 4.07 3.82
0.91 2510 3210 3320 2.4 11.3 13.87 12.41 11.19 10.17 9.30 8.55 7.90 7.34 6.81 6.30 5.84 5.44 5.09
1.21 3110 3830 3960 2.5 12.5 14.00 14.00 13.62 12.47 11.48 10.62 9.88 9.23 8.60 7.94 7.36 6.84 6.38
140
0.76 2070 2720 2810 2.7 14.0 12.71 11.24 10.02 9.00 8.14 7.41 6.78 6.23 5.76 5.34 4.98 4.65 4.36
0.91 2390 3080 3180 2.7 14.8 14.00 14.00 12.80 11.63 10.64 9.78 9.04 8.39 7.83 7.31 6.79 6.32 5.91
1.21 2960 3670 3790 2.8 16.4 14.00 14.00 14.00 14.00 13.13 12.15 11.30 10.55 9.89 9.23 8.55 7.95 7.42
165
0.76 1950 2520 2610 3.3 22.4 14.00 13.95 12.44 11.17 10.10 9.19 8.41 7.73 7.14 6.62 6.17 5.76 5.40
0.91 2250 2860 2950 3.3 23.7 14.00 14.00 14.00 14.00 13.21 12.14 11.22 10.42 9.71 9.09 8.53 8.04 7.58
1.21 2790 3410 3520 3.3 26.1 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.10 12.28 11.55 10.90 10.25 9.55
175 0.76 1910 2390 2490 3.5 26.5 14.00 14.00 13.40 12.04 10.88 9.90 9.06 8.33 7.69 7.13 6.64 6.21 5.82
0.91 2200 2780 2880 3.5 28.0 14.00 14.00 14.00 14.00 14.00 13.09 12.09 11.23 10.46 9.79 9.20 8.66 8.19
1.21 2730 3320 3430 3.6 30.8 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.24 12.45 11.75 11.12 10.45
185
0.76 1880 2270 2360 3.7 31.1 14.00 14.00 14.00 12.90 11.67 10.61 9.71 8.93 8.24 7.65 7.12 6.65 6.24
0.91 2160 2710 2800 3.8 32.9 14.00 14.00 14.00 14.00 14.00 14.00 12.96 12.03 11.22 10.50 9.86 9.29 8.77
1.21 2680 3230 3340 3.8 36.1 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.35 12.60 11.92 11.31
205
0.76 1810 2060 2150 4.2 41.9 14.00 14.00 14.00 14.00 13.24 12.04 11.01 10.12 9.35 8.67 8.07 7.54 7.07
0.91 2090 2590 2670 4.2 44.2 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.65 12.73 11.91 11.18 10.53 9.95
1.21 2580 3090 3190 4.2 48.4 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.53 12.83
Example: Multiple spans of 3000 mm, total slab thickness of 140 mm with64 mm of concrete cover on top of the 76 mm deck profile.
During construction, the steel deck must support itself, the concrete,and the construction uniform load of 1 kPa or a transversal load of2.2 kN/m specified by the Steel Deck Institute for multiple spans.
The maximum unshored span shown in the table is checked for bendingunder the self weight and the construction loads, for web crippling with a127 mm long bearing, and for the deflection under wet concrete to be lessthan span/180.
According to the table of maximum unshored span below, use a deck witha nominal thickness of 0.91 mm with a double or triple span condition.
If the bearing is shorter than 127 mm, the project engineer shall verifythat the reaction produced by the wet concrete and the constructionfactored loads is less than the web crippling factored resistance of thedeck for the reduced bearing:
For example: Interior bearing 127 mm long with multiple spans:Pf = maximum of (1.6 x 2.70 + 1.4 x 1) x 1.2 x 3.0 m = 20.6 kN
or (1.6 x 2.70) x 1.2 x 3.0 m + (1.4 x 2.2) x 0.575 = 17.3 kNPa = 16.0 kN (from table) Pr = Pa x 1.85 x 0.75
Pr = 22.2 kN > Pf = 20.6 kN selection is O.K. for web crippling
Once the concrete is cured, the composite slab will have to supportthese loads:
Deck and concrete 2.70 kPaSuperimposed dead load 1.44 kPaSuperimposed l ive load 4.80 kPa
Total load to compare in load table:w = 2.70 + 1.44 + 4.80 = 8.94 kPa
Total capacity should be equal to or greater than the total load:wa = 9.53 kPa for a span of 3000 mm, with a 140 mm slab and 0.91 mmsteel deck.wa> w selection is O.K.
From the table below, the moment of inertia of the composite slab inthe example is 14.8 x 106 mm4 when the elastic modulus used fordeflection calculations equals 203 000 MPa.
Deflection = 5 x wsl x span4 = 5 x 4.8 x 30004
(384 x Es x Icomp) (384 x 203 000 x 14.8 x 1 000 000)
= 1.7 mm < 3000 = 8.3 mm selection is adequate
360
The project engineer is responsible for specifying the size and locationof the wire mesh in the concrete slab in order to follow current concreteinstallation practices.
The loads in the table have been limited to = 14.0 kPa. Furthermore,the composite deck part of fire rated assemblies is limited to asuperimposed load of 12.0 kPa.
Please contact Canam sales personnel when the total uniform loadsexceed 9.6 kPa as this is an indication that significant concentratedloads will be used on that floor and that the composite slab and itsreinforcing should be verified for the effect of concentrated loads.
The shaded values indicate that the deck should be shored at mid-spanduring the pour and the cure of the concrete for those span andconcrete thickness conditions and they should correspond to themaximum unshored span values shown at the left of the table.
These tables are developed for steel having a yield strength (Fy) of 230 MPa and for concrete with a weightof 2330 kg per cubic meter and a minimum compressive resistance (fc) of 20.7 MPa at 28 days.
METRIC
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2
SERVICE LOAD TABLES P-2432 COMPOSITE
steelCorporation
SPAN (mm)Sl ab Deck M axi mum unshored span Self Comp. mo. Deck-sl ab total uniform load capacity (kPa )
thick. thick. sing le d oub le tr ip le w eigh t of ine rti a2200 2350 2500 2650 2800 2950 3100 3250 3400 3550 3700 3850 4000
(mm) (mm) (mm) (mm) (mm) (kPa) (106mm 4)
1400.76 2270 2960 3060 2.2 11.1 12.58 11.10 9.88 8.86 8.00 7.27 6.64 6.10 5.62 5.21 4.84 4.52 4.2
0.91 2620 3340 3450 2.2 11.9 14.00 14.00 12.67 11.50 10.50 9.64 8.90 8.18 7.52 6.94 6.44 5.99 5.51.21 3250 3980 4110 2.2 13.3 14.00 14.00 14.00 14.00 13.00 12.02 11.16 10.34 9.50 8.76 8.11 7.53 7.0
145
0.76 2230 2910 3010 2.3 12.3 13.19 11.64 10.36 9.29 8.39 7.62 6.96 6.39 5.89 5.46 5.07 4.73 4.40.91 2580 3290 3400 2.3 13.1 14.00 14.00 13.28 12.05 11.01 10.11 9.33 8.64 7.94 7.33 6.80 6.32 5.9
1.21 3200 3920 4050 2.3 14.6 14.00 14.00 14.00 14.00 13.63 12.60 11.71 10.92 10.03 9.25 8.56 7.95 7.4
150
0.76 2200 2870 2970 2.3 13.5 13.80 12.18 10.84 9.72 8.78 7.97 7.28 6.68 6.16 5.71 5.31 4.95 4.60.91 2540 3240 3350 2.4 14.4 14.00 14.00 13.90 12.61 11.52 10.58 9.76 9.05 8.37 7.73 7.16 6.66 6.21.21 3140 3860 3990 2.4 16.1 14.00 14.00 14.00 14.00 14.00 13.18 12.25 11.43 10.58 9.76 9.03 8.38 7.8
175
0.76 2050 2690 2780 2.8 20.9 14.00 14.00 13.23 11.86 10.71 9.72 8.88 8.15 7.52 6.96 6.47 6.03 5.60.91 2360 3040 3140 2.8 22.3 14.00 14.00 14.00 14.00 14.00 12.91 11.92 11.05 10.29 9.62 9.02 8.44 7.8
1.21 2920 3620 3740 2.9 24.8 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.95 13.06 12.28 11.48 10.66 9.9
1900.76 1990 2590 2680 3.1 26.4 14.00 14.00 14.00 13.14 11.87 10.78 9.84 9.03 8.33 7.71 7.16 6.68 6.2
0.91 2290 2930 3030 3.1 28.2 14.00 14.00 14.00 14.00 14.00 14.00 13.21 12.24 11.40 10.66 9.99 9.40 8.8
1.21 2840 3490 3610 3.1 31.2 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.61 12.83 12.08 11.2210
0.76 1930 2430 2530 3.4 35.3 14.00 14.00 14.00 14.00 13.41 12.18 11.12 10.20 9.41 8.71 8.09 7.55 7.00.91 2220 2810 2900 3.5 37.5 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.84 12.89 12.04 11.29 10.63 10.0
1.21 2750 3350 3460 3.5 41.5 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 13.71 13.0
SPAN (ft.)Sl ab Deck M axi mum unshored span Self Comp. mo. Deck-slab total uniform l oad capacity (psf)
thick. thick. sing le d oub le tr ip le w eigh t of ine rti a7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13(in. ) (gauge) (ft. ) (ft. ) (ft. ) (psf) (in. 4)
5.5022 7.45 9.71 10.04 45 8.1 278 244 216 193 173 157 143 131 120 111 103 96 90
20 8.60 10.96 11.35 46 8.6 300 300 275 249 226 207 191 175 161 148 137 127 11818 10.66 13.06 13.48 46 9.7 300 300 300 300 279 257 238 222 203 187 172 160 149
5.75
22 7.28 9.51 9.84 48 9.2 295 259 229 204 184 166 151 139 127 118 109 102 9520 8.43 10.76 11.12 48 9.8 300 300 292 264 240 220 202 187 172 159 147 136 127
18 10.43 12.83 13.25 49 10.9 300 300 300 300 296 273 253 236 218 200 185 171 1596.00
22 7.15 9.35 9.68 50 10.3 300 274 242 216 194 176 160 147 135 125 115 108 100
20 8.27 10.56 10.93 50 11.0 300 300 300 279 254 233 214 198 184 169 157 145 13518 10.24 12.60 13.02 51 12.3 300 300 300 300 300 289 268 249 233 214 198 183 170
6.50
22 6.89 9.06 9.35 55 13.0 300 300 269 240 216 195 178 163 150 138 128 119 11120 7.94 10.20 10.56 55 13.8 300 300 300 300 282 258 237 220 204 190 177 164 153
18 9.84 12.17 12.60 56 15.4 300 300 300 300 300 300 297 277 259 242 224 207 193
7.5022 6.53 8.50 8.79 64 19.5 300 300 300 287 258 234 213 195 179 165 153 143 133
20 7.51 9.61 9.94 65 20.8 300 300 300 300 300 300 284 263 244 228 213 200 18918 9.32 11.45 11.84 65 23.1 300 300 300 300 300 300 300 300 300 290 273 258 240
8.25
22 6.33 7.97 8.30 72 25.7 300 300 300 300 290 263 239 219 201 186 172 160 15020 7.28 9.22 9.51 72 27.3 300 300 300 300 300 300 300 296 274 256 240 225 212
18 9.02 10.99 11.35 73 30.2 300 300 300 300 300 300 300 300 300 300 300 290 274
LIGHTWEIGHT C ONC RE TE IMPERIA
These tables are developed for steel having a yield strength (Fy) of 33 ksi and for concrete with a weighof 115 pounds per cubic foot and with a minimum compressive resistance (fc) of 4 ksi at 28 days.
SERVICE LOAD TABLES P-2432 COMPOSITE
LIGHTWEIGHT C ONC RE TE METRIC
These tables are developed for steel having a yield strength (Fy) of 230 MPa and for concrete with a weighof 1840 kg per cubic meter and with a minimum compressive resistance (fc) of 28 MPa at 28 days.
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STEEL DEC K P-3012 FORM
Canams P-3012 is a steel deck roll formed to cover 30 in. (762 mm).The flutes are 9/16 in. (14 mm) deep and are spaced at 2 1/2 in. (64 mm)
center to center. The deck can be rolled to length as per yourrequest or stocked in 20 ft. 4 in. (6.2 m) lengths to cover
multiple spans of form deck.
The deck is available with
steel galvanized accordingto ASTM standard A653
with a zinc thicknesscorresponding to
G60 (Z180) or withuncoated steel. Contact
our sales department formore information.
Standard thicknesses are 28 gauge (0.015 in.or 0.38 mm), 26 gauge (0.018 in. or 0.46 mm), and
24 gauge (0.024 in. or 0.61 mm).
Properties are based on a unit width of 12 in. for imperial units and a unit width of 1000 mm for S.I. units.The properties in the table were calculated according to AISI 1996 Specification for the Design of Cold-Formed SteelStructural Members, considering steel produced according to ASTM specifications with a minimum yield strength = 60 ksi (410 MPa).
PHYSICAL PROPERTIES
Allowable reaction Moment of
Nominal Overall Weight Bearing Section Modulus Inertia for
Thickness Depth 1 1/2 in (38 mm) Deflection
end interior M+ M-
gauge in. lb./ft.2 lb. lb. in.3 in.3 in.4
(mm) (mm) (kg/m2
) (kN) (kN) (mm3
) (mm3
) (mm4
)28 0.57 0.86 472 914 0.033 0.035 0.012
(0.38) (14.37) (4.19) (6.89) (13.35) (1800) (1900) (17 000)
26 0.57 1.03 639 1,351 0.043 0.045 0.015
(0.46) (14.46) (5.01) (9.32) (19.71) (2300) (2400) (21 000)
24 0.57 1.34 1,013 2,355 0.064 0.066 0.021
(0.61) (14.60) (6.56) (14.79) (34.36) (3450) (3550) (29 000)
30 (762 mm)
2 1/2(64 mm)
1 7/16(37 mm)
1 1/16(27 mm)
1 1/16(27 mm)
9/16(14 mm)
P-3012
FORM
DIMENSIONS
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SERVICE LOADS TABLES P-3012 FORM & SLAB
NOTE 1
Concrete: fc = 3 ksi (20 MPa)Volumic weigth = 150 pcf (2400 kg / m3)
The maximum span of P-3012 form deck has been calculated fordifferent slab thickness taking into account :
the weight of the wet concrete
a construction load of 20 psf (0.96 kPa) uniformly distributed or 150 plf(2.2 kN/m) at the middle of the deck span,
at least a triple span of the form deck, a maximum deflection of the span over 240 under the wet concrete,
and the height of the steel form deck is included in the slab thickness.
NOTE 2
Wire fabric steel: Fy = 60 ksi (400 Mpa)
The resistance of the reinforced slab is computed using LRFD caluclatioand considering that:
the welded wire fabric is held at mid-depth of the concrete above the defor slabs that measure 2.5 (65 mm) to 3.0 (76 mm) and that the wire fabis draped to be at 3/4 (19 mm) from the top of the slab over the suppoand to bear on the form deck at mid-span for slabs thicker than 3 (76 mm)
the reinforced slab must resist to a negative moment computed w x span2/ 10 over the support and to a positive moment computed w x span2/ 11 at mid-span,
with w being the sum of the service loads multiplied by 1.7,
the form deck does not supply any resistance.
The capacities shown in the service loads table are limited to 400 psf (20 kPas higher loads are normally an indication that concentrated loads will be uson the floor and that further engineering investigation should be done.
Example:
2 1/2 (65 mm) deep slab 28 psf (1.40 kPa)
Superimposed dead load 30 psf (1.44 kPa)
Superimposed live load 100 psf (4.80 kPa)
TOTAL service load 158 psf (7.64 kPa)
We could select a P-3012 form deck 26 gauge (0.46 mm) thick witmultiple spans of 3-0 (914 mm) on center to pour the 2 1/2 (65 mmslab with a welded wire fabric 6 x 6 W 2.9 x 2.9 (150 x 150 MW18.7 x 18.7) maintained at mid-depth of the concrete thickness abovthe deck. Once cured, the concrete slab could safely support 171 p(8.2 kPa) which is greater than the total service load.
SERVICE LOADS FOR CONCRETE SLABS REINFORCED BY WELDED WIRE FABRIC (psf) (Note 2) IMPERIALSlab Slab & Form Welded Wire Fabric Wire Wire Area Span (ft.)
Thickness (in.) Weight (psf) Designation Diameter (in.) (in.2
) 2-0 2-3 2-6 2-9 3-0 3-3 3-66x6 W 2.0x2.0* 0.162 0.020 270 213 173 143 120 102 88
2.5 28 6x6 W 2.9x2.9 0.192 0.029 385 304 246 204 171 146 1266x6 W 4.0x4.0 0.225 0.040 400 400 332 275 231 197 170
6x6 W 2.0x2.0* 0.162 0.020 343 271 219 181 152 130 112
3 34 6x6 W 2.9x2.9* 0.192 0.029 400 387 314 259 218 186 1606x6 W 4.0x4.0 0.225 0.040 400 400 400 352 296 252 217
6x6 W 2.9x2.9* 0.192 0.029 400 400 400 400 362 309 2663.5 40
6x6 W 4.0x4.0 0.225 0.040 400 400 400 400 400 400 355
6x6 W 2.9x2.9* 0.192 0.029 400 400 400 400 400 381 3294 46
6x6 W 4.0x4.0 0.225 0.040 400 400 400 400 400 400 400
SERVICE LOADS FOR CONCRETE SLABS REINFORCED BY WELDED WIRE FABRIC (kPa) (Note 2) METRICSlab Slab & Form Welded Wire Fabric Wire Wire Area Span (mm)
Thickness (mm) Weight (kPa) Designation Diameter (mm) (mm2) 600 700 800 850 900 950 1000
150x150MW 13.3x13.3* 4.11 13.3 13.9 10.2 7.8 6.9 6.2 5.6 5.0
65 1.4 150x150MW 18.7x18.7 4.88 18.7 19.3 14.2 10.8 9.6 8.6 7.7 6.9150x150MW 25.7x25.7 5.72 25.7 20.0 19.0 14.6 12.9 11.5 10.3 9.3
150x150MW 13.3x13.3* 4.11 13.3 16.8 12.3 9.4 8.4 7.5 6.7 6.0
75 1.6 150x150MW 18.7x18.7 4.88 18.7 20.0 17.1 13.1 11.6 10.4 9.3 8.4150x150MW 25.7x25.7 5.72 25.7 20.0 20.0 17.7 15.7 14.0 12.6 11.3
150x150MW 18.7x18.7* 4.88 18.7 20.0 20.0 20.0 20.0 17.9 16.1 14.590 2.0
150x150MW 25.7x25.7 5.72 25.7 20.0 20.0 20.0 20.0 20.0 20.0 19.3
150x150MW 18.7x18.7* 4.88 18.7 20.0 20.0 20.0 20.0 20.0 19.0 17.2100 2.2
150x150MW 25.7x25.7 5.72 25.7 20.0 20.0 20.0 20.0 20.0 20.0 20.0
MAXIMUM CONCRETE SLAB THICKNESS GUIDE TABLE (in.) (Note 1) IMPERIALNominal steel deck sheet thickness Span (ft.)
(gauge) (in.) (mm) 2-0 2-3 2-6 2-9 3-0 3-3 3-6
28 0.015 0.38 4.0 4.0 4.0 3.0
26 0.018 0.46 4.0 4.0 4.0 4.0 4.0 3.5 2.5
24 0.024 0.61 4.0 4.0 4.0 4.0 4.0 4.0 4.0
MAXIMUM CONCRETE SLAB THICKNESS GUIDE TABLE (in.) (Note 1) METRICNominal steel deck sheet thickness Span (mm)
(gauge) (in.) (mm) 600 700 800 850 900 950 1000
28 0.015 0.38 100 100 90 65
26 0.018 0.46 100 100 100 100 100 90 75
24 0.024 0.61 100 100 100 100 100 100 100
NOTE 3
When the size of the welded wire fabric is marked by an *, the size of the wire mesh does not meet the requirements of ACI 318 (clause 7.12) fominmum shrinkage and temperature reinforcement of the given slab thickness.
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ACCESSORIES
8(200 mm)
1(25 mm)
3(76 mm)
9 1/2(240 mm)
1(25 mm)
1 1/2(38 mm)
EDGE SHEET
8(200 mm)
COVER PLATE
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ACCESSORIES
NEOPRENE CLOSURESAvailable for P-3615, P-3606, P-2436 and P-2432
E.P.D.M. 1 (25 mm) thick.Large cell closure
METAL CLOSURESAvailable for P-3615, P-3606 and P-2432
Nominal thickness gauge 22 (0.76 mm)Large cell closure
Small cell closure
Small cell closure
NEOPRENE AND METAL CLOSURES
* 4(100 mm) x 5 1/2(140 mm)or
* 4 1/2(115 mm) x 6(150 mm)
* Thickness gauge 18 (1.21 mm) x 10 (3048 mm) in length.* Other sizes and thicknesses may be obtained by contacting our sales office.
(See page 27)
1/2
(13mm)min.
STANDARD POUR STOP
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FLOOR DEC K FE ATURE S
VENTED DECK
INTERNAL HANGER TAB
When cementitious insulation fills are used, the decksheet shall have an appropriate galvanized finish
and the deck profile must be
adequately vented.On request, Canam Steel
can produce vent slitslike the one shown
here. The small slitsare made upwards in each
bottom flute at a frequency thatgives openings equal to 0.5% of
the deck covered surface.
Those vents allow the water contained inthe cementitious insulation fills to evaporate even after
the top of the fill is sealed by a roof membrane.
Light loads are sometimes suspended from the
steel deck. On request, Canam Steel can producehanger tabs like the one shown here.
The bottom flute is partiallypunched out at regular
intervals lengthwiseand at 12 (305 mm)on center widthwise.
A #12 wire (minimum size)can then be attached to that tab to
support a maximum of 100 pounds (45 kg)when using at least a 20 gauge (0.91 mm) thick
sheet for the deck.
A disadvantage of the hanger tab is that, whenconcrete is poured on deck produced with tabs,there will be some dripping through the tabs. The
drips will fall on the surface of the floor below.
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POUR STOP SELE C TION TABLE
(Overhang in mm)Overhang in inche s
Slab Depth Slab Depth (0) (25) (51) (76) (102) (127) (152) (178) (203) (229) (254) (279) (305)
(mm) (in. ) 0 1 2 3 4 5 6 7 8 9 10 11 12
(10 2) 4.00 20 20 20 20 18 18 16 14 12 12 12 10 10(10 8) 4.25 20 20 20 18 18 16 16 14 12 12 12 10 10(11 4) 4.50 20 20 20 18 18 16 16 14 12 12 12 10 10(12 1) 4.75 20 20 18 18 16 16 14 14 12 12 10 10 10(12 7) 5.00 20 20 18 18 16 16 14 14 12 12 10 10(13 3) 5.25 20 18 18 16 16 14 14 12 12 12 10 10(14 0) 5.50 20 18 18 16 16 14 14 12 12 12 10 10(14 6) 5.75 20 18 16 16 14 14 12 12 12 12 10 10(15 2) 6.00 18 18 16 16 14 14 12 12 12 10 10 10(15 9) 6.25 18 18 16 14 14 14 12 12 12 10 10(16 5) 6.50 18 16 16 14 14 12 12 12 12 10 10(17 1) 6.75 18 16 14 14 14 12 12 12 10 10 10(17 8) 7.00 16 16 14 14 12 12 12 12 10 10 10(18 4) 7.25 16 16 14 14 12 12 12 10 10 10
(19 1) 7.50 16 14 14 12 12 12 12 10 10 10(19 7) 7.75 16 14 14 12 12 12 10 10 10 10(20 3) 8.00 14 14 12 12 12 12 10 10 10(21 0) 8.25 14 14 12 12 12 12 10 10 10(21 6) 8.50 14 12 12 12 12 10 10 10(22 2) 8.75 14 12 12 12 12 10 10 10(22 9) 9.00 14 12 12 12 10 10 10(23 5) 9.25 12 12 12 12 10 10 10(24 1) 9.50 12 12 12 10 10 10(24 8) 9.75 12 12 12 10 10 10(25 4) 10.00 12 12 10 10 10 10(26 0) 10.25 12 12 10 10 10(26 7) 10.50 12 12 10 10 10(27 3) 10.75 12 10 10 10
(27 9) 11.00 12 10 10 10(28 6) 11.25 12 10 10(29 2) 11.50 10 10 10(29 8) 11.75 10 10(30 5) 12.00 10 10
Table of pour stop types for given slab depth and overhang dimension
DESIGN DESIGN
TYPES THICKNESS THICKNESS
(in.) (mm)
20 0.0358 0.91
18 0.0474 1.2016 0.0598 1.52
14 0.0747 1.90
12 0.1046 2.66
10 0.1345 3.42
1 (25 mm) filet welds@ 12 (305 mm) o.c. slab
dept
overhang
1/2
(13mm)
min.
2 (51 mm) min.
POUR STOP SELECTION TABLE NOTES
This selection table is based on the following criteria:
1. Normal weight concrete of 150 pounds per cubic foot (2,400 kg percubic meter).
2. Horizontal and vertical deflection is limited to 0.25 (6.3 mm)
3. Design stress is limited to 20 ksi (138 MPa) for concrete dead loadtemporarily increased by one-third for the construction live load of20 pounds per square foot (0.96 kPa).
4. The pour stop selection table does not consider the effect of theperformance, deflection, or rotation of the pour stop support whichmay include both the supporting composite deck and/or frame.
5. Vertical leg return lip is recommended for all types (gauges).
6. This selection table is not meant to replace the judgment ofexperienced structural engineers and shall be considered as areference only.
Copyright, 2000 Steel Deck Institute
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DIAPHRAGM LOAD TABLES
TYPICAL FASTENER LAYOUT
INTRODUCTION
P3615 & P36061.5(WR)
36/9 PATTERN
P243224/3 PATTERN
P362336/4 PATTERN
36/7 PATTERN
36/4 PATTERN
P301230/7 PATTERN
30/4 PATTERN
30 COVERAGE
24 COVERAGE36 COVERAGE
P243624/5 PATTERN
24 COVERAGE
36 COVERAGE
The diaphragm load tables are derived for Canamsvarious type of steel roof deck and composite floor deck(Fy = 33 ksi) as well as for form deck (Fy = 60 ksi). Foreach steel deck design thickness given, allowable design
shear is listed under the specific span length, fastenertype and pattern.
Lightweight insulating concrete (fc = 125 psi) fill is oneof the different types of deck-fill that were used in tests doneby the Steel Deck Institute (SDI). Type I fill, with vermiculiteaggregate, 2 1/2 in. minimum depth, showed greaterdiaphragm shear strength than a bare deck.
Both normal weight and lightweight structuralconcrete (fc = 3000 psi) on composite and form deck arepresented here with a minimum of 2 1/2 in. concretetopping over the deck.
All the diaphragm shear strength values are further
limited by the plate-like shear buckling strength whichgoverns for decks with relatively long span and closelyspaced fasteners.
The diaphragm tables were derived based on thefollowing assumptions:
1. The number of fasteners are the same at boththe end members and interior supports.
2. The number of intermediate sidelap connectorsis assumed to be the same as that of extremeedge fasteners.
3. Safety factors are used as proposed by the SDIDDM02 and AISI 1996 specification: 2.35 for
welded diaphragm under wind load, 3.25 for filleddiaphragm.
4. All values are for a three span condition. Greatevalues are available for single or double spacondition since more fasteners are counted in thstrength calculation.
5. Only screw (for overlap sidelap) or button punc(for interlocking sidelap) is used as sidelafastener to generate the tables. The SDI doenot recommend welding the sidelaps for decwith a thickness of 0.0295 or less.
6. Where welds are used as fasteners at supportthe SDI recommends using weld washers onon deck thickness less than 0.028 in. Thesshould be 16 gauge washers with a 3/8-inch hoin them.
7. The column SIDELAP CONN./SPAN shows thnumber of connectors between structural suppor
at the sheet edge. For example, 5 wourepresent six even spaces or stitch fasteners at 1in. on center within a 6 ft. deck span.
8. The table values do not include a stress increasof 1.33 for short term or wind loading.
Refer to SDI Diaphragm Design Manual DDM0Section 2.5 for Limiting Conditions on end lapsidelaps, welds, screws, powder driven fasteners, sppanels, longitudinal edges, mixed panel lengths.
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DIAPHRAGM LOAD TABLE S P-361 5
22 GAUGE SUPPORT FASTE NING: 3/4 puddle we ld: 2.35 SIDELAP FASTENING: Button Punc h
SUPPORT MAXIMUM ALLOWABLE DESIGN SHEAR, PLF
FASTENER SIDELAP SPAN, FT
LAYOUT CONN. /SPAN 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 K1
0 915 805 715 635 565 510 465 425 390 0.324
1 935 825 735 655 585 530 480 0.3182 955 845 755 675 600 545 495 455 410 0.312
36/9 3 980 865 770 695 620 560 510 465 410 0.3064 1000 880 790 710 640 575 525 475 410 0.301
5 1020 900 805 73