Download - Steel Roof Truss Design
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Steel Roof Truss Design
By : 1.Husain Nur Zharfan F (141144013) 2. Kiki Setiawan (141144017)
3. Kreshna !h"a# $ (141144017)
4. %irna $urna"a S (14114401&)
'. *i +u"e,ar (14114402&)
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DefinitonDefiniton
Pratt Truss is A type of truss with parallelchords, all vertical members incompression, and all diagonal members in
tension. The diagonals slant toward thecenter.
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%iss!e,,aneus -ata
+e"etri! Stru!ture
%ateria,
a#s (/ye "*inatin)
Stru!ture a,uatin
Contents
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Geometric Structure
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5 m
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Material
MaterialSNI 03-1729-2002
Mechanical properties of steel :
•Modulus of ElasticityE ! 200000 M"a
•Shear Modulus
# ! $0000 M"a
•"oisson%s &atio' ! 0(3
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Table of Mechanical Propertiesof Structural Steel
S)*&+E: SNI 03-1729-2002
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rame Section
.50.50.7
2.'0.'0.'
.60.60.6
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,he load that used on this calculation of this roof truss
consist of :
ead .oad /.
Super ead .oad /S.
.i'e .oad /..
ind .oad /
&ain .oad /.r
Type of !oad
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!oad Combination
*! 12 1 S./+o45o 1
*! 12 06 . 12 S./+o45o 2
*! 12 0$ 12 S. 1 . /+o45o 3*! 12 13 12 S. 06 . /+o45o
*! +o45 1 +o45 2 +o45 3 +o45 /En'elope
! ead .oad. ! .ife .oad
S. ! Super I4posed ead .oad
! ind
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!oad of Structure
• Dead Load
• Superimposed Dead Load
– Plafond – Roof
• Wind Load
– Pressure Wind
– Suction Wind
• Live Load
– worker
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Superimposed "ead !oad#Plafond$
ata istance 5et8een truss ! 6 4 Epanse distance /. ! 19 4
eiht of "lafond +o4ponent ! 1$ ;
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Superimposed "ead !oad#%oof$
ata istance 5et8een truss ! 6 4 istance /o5li@ue ! 1031 4
eiht of &oof +o4ponent ! 60 ;
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Superimposed "ead !oad#Plafond & %oof$
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'ind !oad #Press 'ind$
ata istance 5et8een truss ! 6 4 istance /o5li@ue ! 1031 4
eiht of ind ! 26 ;
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ata istance 5et8een truss ! 4 istance /o5li@ue ! 1031 4
eiht of ind ! 26 ;
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'ind !oad
Pressure Wind and Suction Wind
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!ive !oad
eiht "er ?oint ?oint ! 100 ;
,his .oad Bssin to 2 Coint in 4iddle truss
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Free Powerpoint Templates
STRUCTURE EVALUATION
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Capacity %atio & Misscellaneous"ata
• Ma( eflection : -1$$$9 44 D 61 44• ,otal eiht : 12$199 ;
• ,otal +ost : &p1(090($90
1. 2L.50.50.5
2. L.60.60.6
3. L.90.90.7
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(ase %eactions#)nvelope$
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A*ial orce#)nvelope$
N 44 +
58
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Shear orce#)nvelope$
N 44 +
! "
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Moment#)nvelope$
N 44 +
!
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"eformed Shape#)nvelope$
N 44 +
#
.endutan yan terCadi D .endutan yan diiCinan -1$$$$7 44 D 61 44 );F
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Total 'eight & Cost
• ,otal Ara4e : 37 fra4es• ,otal eiht : 2$01 ;• ,otal +ost : &p9(1(110
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i* %oof Truss "esign
• 2.60(60(6 ! 20• .0(0( ! 10• .90(90(7 ! 7
,otal ! 37 Ara4es
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$ttp%&&www'dictionar(ofconstruction'com&definition&pratt)truss'$tml
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Free Powerpoint Templates
Thanks for Attention!
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