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HünnebeckA company of ThyssenKrupp Serv

Rasto FormworkInstructions for Assembly and Use

TK

April 2002

Rasto Formwork · Instructions for Assembly and Use 2

Page

Product features 2

Overview 3

Components 4 – 10

Element connection 11

Arrangement of connectors and ties 11 – 15

Tying 16

Corners 17 – 19

Wall T-junctions 20

Stopends 20

Length adjustment 21

Corners with oblique angles 22 – 23

Column formwork 24

Brackets and struts 25 – 26

Handling large-area formwork units with a crane 27

Contents:

Important remarks

The following erection and application instructions containdetails of the handling and correct use of the listed andillustrated products. The function-related instructions inthis brochure must be accurately followed. Deviations fromthese require a separate proof of structural strength.

To ensure the safe use of our products, all the relevantsafety rules and regulations of the national accidentinsurance institutions and public authorities must becomplied with.As a fundamental principle, only materials in immaculatecondition may be used. Damaged components must betaken out of circulation.As replacement parts for repairs, only original parts fromThyssen Hünnebeck Schalung GmbH may be used.

The combined use of our formwork system with equipmentfrom other suppliers may entail certain dangers and there-fore requires additional checks.

The illustrations in these assembly instructions must beregarded as examples. It goes without saying that theregulations for occupational safety must be adhered to.

We explicitly reserve the right to make changes in theservice of technical progress.

Product features

Rasto is a frame formwork system which can be usedwithout a crane (manual shuttering) or shifted in large unitsby a crane. For element widths up to 90 cm it is notabsolutely necessary to have a crane on site.However, the use of the large Rasto XXL panel or thesimultaneous transfer of several panels is only possible bycrane.

Rasto formwork is a frame formwork system with ahot-dip galvanized steel frame and an integrated 14 mmthick, high-grade shuttering skin.

The maximum permitted concrete pressure is 60 kN/m² forsingle-tier and 55 kN/m² for height-extended forms.

As the panels are available in 9 different sizes, rangingfrom 30 cm to max. 240 cm, Rasto is easy to adapt to anybuilding shape.

The three element heights of 150, 270 and 300 cm make itpossible to adapt the formwork easily to different heights.The 120 cm Takko form, which has an identical design, isa useful supplementary element.

The Rasto aligning clamp as the connector joins theformwork elements to form a tight, tension-resistant andaligned joint. This applies both to the vertical and to thehorizontal butt joints on height-extended elements. Thevibration-resistant joint also permits large-area handling bycrane.

3Rasto Formwork· Instructions for Assembly and Use

Rasto frame formwork systemwith the large Rasto XXL panel.

Compatible with Takko formwork

Overview

Single Rasto formwork panels2.7 or 3 m tall

Large Rasto XXL panel,horizontal 2.4 m tall

Takko formworkheight-extended2 x 1.2 m = 2.4 m

Takko formwork1.2 m tall

HorizontalTakko formwork

Large Rasto XXL panel, vertical,height-extended with 2 horizontalTakko panels

2.7 m Rasto panel height-extended with the1.2 m Takko panel = 3.9 m tall

2.7 m Rasto panel height-extended with the1.5 m Rasto panel = 4.2 m tall

The overview gives an impression of the variouscombinations of the Rasto system used together with thelarge Rasto XXL panel and Takko formwork.Formwork for everything from foundations through to 6 mhigh walls.

Weightkg/pc.

Components

Rasto Formwork · Instructions for Assembly and Use

Designation

4

Art. No.

240

Rasto panels

Formwork panels with a very low weight ofroughly 30 kg/m² and high loading of 60 kN/m²of permitted concrete pressure.All the panels are mutually compatible and areconnected with the same components.

Panel 90 x 270Panel 75 x 270Panel 65 x 270Panel 60 x 270Panel 55 x 270Panel 50 x 270Panel 45 x 270Panel 30 x 270

531 312470 002482 431470 013482 420482 410470 024575 603

69.160.055.953.250.948.445.438.9

531 551470 035482 464470 046482 453482 442470 057575 614

41.435.932.831.129.828.226.522.6

Panel 90 x 150Panel 75 x 150Panel 65 x 150Panel 60 x 150Panel 55 x 150Panel 50 x 150Panel 45 x 150Panel 30 x 150

Rasto XXL 240 x 270 600 016 283.7

270

A Rasto panel with 6.5 m² of shuttering surfacefor large-area shuttering. The use of this largepanel reduces the number of ties andconnectors and is therefore highly efficient.The panel can be used without difficultyhorizontally or vertically.

(In single-face use, the 4 large tie holes must be sealedwith the M plug, Art. No. 479231.)

150

12 90

116.5

30

3.5

12 90

59

152

59

270

300

90

152

85,5

59

3.5

59

152

5954

132

54

Panel 90 x 300Panel 75 x 300Panel 65 x 300Panel 60 x 300Panel 55 x 300Panel 50 x 300Panel 45 x 300

549 565549 576549 587549 598549 602549 613549 624

76.266.260.957.955.552.849.7


Weightkg/pc.

Components

Designation

5

Art. No.

The 90° inner corner with the patented 2° ofclearance for easing. After unlocking the cornerstiffeners, the element becomes movable andcan then be effortlessly removed from theconcrete.

Inner corner 30/300Inner corner 30/270Inner corner 30/150

549 635470 068470 079

75.166.237.9

554 856481 963482 203

54.249.227.8

Hinged corner 15/300Hinged corner 15/270Hinged corner 15/150

For corners with obtuse angles from90 to 180°.On acute-angled corners, it can be used as anouter corner. It is connected to Rasto panelswith the centering tension bolt.

549 392536 050536 040

79.171.741.3

Hinged corner 30/300Hinged corner 30/270Hinged corner 30/150

Also suitable for acute angles > 60°. Can beconnected with the Rasto aligning clamp orcentering tension bolt.

3030

270

12

150

300

15

150

300270

30

150

300 270

Weightkg/pc.

Components


Designation

6

Art. No.

A multi-purpose panel with a continuoushorizontal 5 cm tie hole module. For use inspecial applications such as wall offsets,corners with oblique angles and pilasterstrips. Particularly suitable as formwork forconcrete columns up to an edge-to-edgewidth of 55 cm (rectangular or square with a 5cm module).

Rasto formwork becomes even more versatilewith the supplementary Takko formworksystem. The 120 cm tall panels are absolutelyidentical in design to Rasto panels.The connectors, accessories and maximumpermitted loading are therefore identical (seealso Takko formwork assembly instructions).

Takko panels

270

120

120

116,5

30

150

3.5

70

152

59

59

70

76

85.5

59

300

703.5

76

Rasto MP-panel 70 x 300Rasto MP-panel 70 x 270Rasto MP-panel 70 x 150

549 131482 821485 218

68.960.139.2

Takko panel 90x120Takko panel 75x120Takko panel 60x120Takko panel 45x120Takko panel 30x120

Takko inner corner 30/120

Takko hinged corner 30/120

Takko MP-panel 70x120

583 508583 519583 520583 530583 541

583 552

583 563

583 574

38.533.529.224.018.7

30.6

33.9

35.5


Weightkg/pc.

Components

Designation

7

Art. No.

Can be used in the same way as the waler 80(see above).

Used together with the tension nut forconnecting the waler 80 or Manto waler.

One is required for each waler spanner.

For a max. 30 cm length adjustment or forstopend formwork. The timber pieces arefastened via the nail holes.

Connecting pieces

With the Rasto aligning clamp, the butt jointsof the Rasto panels are tightly closed andaligned flush and without offset in a singlecycle.

The outer corner clamp makes an outercorner out of two standard panels. It can alsobe used on column formwork and permits 4to 6 cm length adjustments on outer corners.

Permits length adjustment up to 15 cm max.and connects panels with a tension- andcompression-resistant, flush and aligned joint.

5

For the adjustment of wall thicknesses incorners.

Adjustment pieces

55

35

12 5

150

12

270

80

100

30

Rasto corner adjustment 5/270Rasto corner adjustment 5/150

479 540479 573

19.413.9

Waler 80 586 980 6.3

Manto multi-purpose waler 450 764 13.1

R-adjustable aligning clamp 488 910 5.0

R-Outer corner clamp (variable) 488 900 6.1

Rasto aligning clamp 489 000 2.9

Tension nut 197 332 0.6

Waler spanner ( 30 cm ) 452 053 0.8

2635

Weightkg/pc.

Components


Designation

8

Art. No.

10

Connects panels, e.g. to the hinged corner,and is used for connecting walers for stop-ends (see p. 20, 21, 22 and 23).The centering nut 100 is also required.

Also used with tie rods for length adjustment.

Centering tension bolt 479 264 0.9

Centering nut 100 469 566 0.8

Brackets and struts

Aligns and supports the formwork. Theadjusting strut can be connected to the jointbetween panels at any height.

R-adjusting strut 564 381 20.5

Connects MP- panels to form columnformwork. For a complete joint, the Manto tienut must also be used.

Rasto MP- boltRasto MP-nut

485 435485 457

0.60.5

29.5

8

3

100

125

14.5

min.134-max.182

420 000 0.3

The 90 cm wide walkway bracket can beconnected to both vertical and horizontalpanels. If connected to a horizontal panel,1 Waler bolt D20 must be additionally fitted.

Walkway bracket 13.5469 810

TK railing post 193 220 4.5

19


Weightkg/pc.

Components

Designation

9

Art. No.

Other accessories

Manto ratchet

This tool is used for tightening and releasingtie nuts.

408 780 1.0

For the crane handling of preassembled large-area Rasto units and the Rasto XXL panel.Max. loading capacity 5 kN.(See also page 27.)

584 167 8.2

Parts for converting tubular steelprops into inclined struts

Strut base joint 566 369 7.7

Suitable for connecting all tubular steel props,Alu 500 DC, Alu-Top and BKS props.

R strut connector 567 135 7.6

Connector for all tubular steel props,Alu 500 DC, Alu-Top and BKS props asinclined struts for Rasto formwork.

Counter nut A/DB 260/300(for Europlus props 260 and 300)

107 107 0.9

Counter nut AS/DB 350/410(for Europlus props 350 EC and 450 DB)

107 118 1.0

Counter nut 350 EC/450 DB(für Europlus-Stützen 350 EC und 450 DB)

562 051 1.5

Bolt and nut M12 x 30 (4 necessary) 005 210 0.1

Counter nut 400 EC/DC 550(for Europlus props 400 EC and DC 550)

587 675 1.5

RT crane hook

24.5

35

35

36

45

Weightkg/pc.

Components


Designation

10

Art. No.

R/M adaptor

Permits the connection of Manto formwork toa Rasto panel.(Connected with the Manto aligning clamp.)

478 708 2.3

FU tightener25 m punched steel tape

When shuttering foundations, theFU tightener and the punched steel tape canreplace the bottom tie (see page 16).

568 357568 081

3.617.2

Manto tie nut

Easy to release under full tie load with theManto ratchet or hammer.

464 600 1.3

Edge tie fastener MR

For module-independent tying outside theRasto panel. For tie DW 15.Maximum permitted load F = 10 kN.

566 667 2.4

1 packet of Manto plugs K

100 plugs for sealing the unused tie holes onthe panels.

454 394 0.2

Tie rod 75Tie rod 100Tie rod 130

437 660024 387020 481

1.11.41.9

13

Tie nut 230

For tying through the length adjustment piecewith a width of > 8 cm.

048 344 2.4

16

13

22

1.5 Ø

2.4 Ø

14

50

32


The Rasto formwork panels are connected with theRasto aligning clamp.This connector creates tension-resistant, tight and alignedjoints between formwork elements.It can be used both on vertical panel joints and onhorizontal joints on height-extended formwork.

All Rasto connectors require nothing more than acarpenter`s hammer. Instead of being used to strike theconnectors, the pointed end of the hammer is insertedinto the screw head like a spanner. This method is labour-saving, gentle to materials and quiet.

Element connection

If height-extended 3.0 m tall Rasto panels or horizontalheight-extension elements are used, the longer adjustableclamp connects the elements on the horizontal joint.

Thanks to its greater length, the adjustableclamp achieves good alignment even in thisarrangement as it is braced against thepanel’s ribs.

Rasto aligning clamp

Adjustable clamp

Horizontal panel(s)

150

30-9

0

300

Adjustable clamp

Rasto aligningclamp on ahorizontalpanel joint

Rasto aligning clamp ona vertical panel joint

27

0/3

00

270

150


Arrangement of connectors and ties

Formwork height 0.3 m to 0.9 m

Formwork height 1.5 m




30 - 90

Horizontal Rasto panels connected with adjustable clamps.Tying example: At the bottom with the FU tightener and atthe top with the edge tie fastener MR above the panel.

Vertical 1.5 m Rasto panels connected with theRasto aligning clamp.

90-180

Horizontal, height-extended panels.

Horizontal height-extension panels connected to vertical1.5 m Rasto panels.


With a horizontal Rasto XXL panel and vertical2.7 m Rasto panels.

240


30-90

150

180 bis 240

Adjustable clamp

Adjustable clamp

30

116.5

3,5

54

54

132

270

59

59

152


270

30-90

30-90

30-90150270300

Adjustable clamp

150

30

116.5

30bis90

FU tightener


Panel joint


Formwork height 3 m

With the 3 m tall Rasto panels.As an alternative, with two vertical 1.5 m Rasto panels, oneon top of the other.

270

59

59

152

30-90


For formwork height 2.7 m (normal storey height), there arenot only the panel widths of 30 to 90 cm but also theeconomical large Rasto XXL panel.

240

132

54

Formwork height 3 to 3.6 m

Vertical 2.7 m tall Rasto panels height-extended with horizontalpanels.


152

300 300

Formwork height 3.3 to 3.9 m

Vertical 3 m tall Rasto panels height-extended with horizontalpanels.

89

59

150

150

30

116.5

123.5

30-90

59

152

330-390

300

3.5

3.5

85.5

Rastoaligning clamp

Adjustable clamp

30-90

59

152

300- 360

270

3.5

Adjustable clamp


150

59

152

420

270

3.5

116.5

30



Combination of vertical 2.7 and 1.5 m Rasto panels.



Two horizontal large Rasto XXL panels laid one on top of theother. Thanks to the panel module, the width is extendedwith vertical 2.7 m panels.


Combination of vertical3 and 1.5 m Rasto panels.

59


150

59

152

450

300

30

116.5

3.5

85.5

Adjustable clamp


54

132

480

54

240

54

54

240132

270

30 - 90


Formwork height 5.40 mCombination of two vertical 2.7 m tall Rasto panels.

270

540

270

30 - 90


Formwork height 5.70 mCombination of a vertical 2.7 m panel and a vertical3 m panel on top.

Formwork height 6.00 mCombination of two vertical 3 m tall Rasto panels.

300

570

270

59

152

59

152

59


59

240

300

59

152

600

300

89

152

59

85.5

3.5

59

152

89

152

59

59


Tying

Rasto formwork is tied via the tie holes provided in thepanels. Before insertion of the tie rod, the plug must beremoved. Unused tie holes should be sealed with plugs.

When tying the panel joint, the tie plate (13 cm dia)of the Manto tie nut extends across sufficiently to theneighbouring panel.

If length adjustment pieces are used, tying isalways effected through the adjustment piece.For adjustment widths > 8 cm, the tie loads aredischarged via the large plate of tie nut 230.

On foundations it is often difficult to tie the formwork in thebuilding pit.The solution with the FU tightener and the punched steel taperepresents a sensible alternative. The punched steel tapesupplied in a continuous length is cut to size and laid beneaththe horizontal Rasto panel.The FU tighteners are inserted into the ribs of the horizontalRasto panels.The finger of the FU tightener is inserted into a hole of thetape and the formwork is adjusted with the threaded bolt.

The edge tie fastener MR positions the top tie above theRasto panel. This means that it is easy to fit and remove andcan be positioned independently of the hole module.

For both types of tie (steel tape and edge tie fastener MR)the maximum permitted loading is 10 kN . For 90 cm highfoundations, this means a distance between ties of 1.75 m.

FU tightener

Punchedsteel tape

Tie nut 230

Length adjustment22

>8

Holes at5 cmintervals

Detail ofFU tightener

Stirrup bolt

Finger

Threaded bolt

1.75 m with 90 cmformwork height

Detail of Edge tiefastener MR


Plug

Ras

topa

nel


Corners

The inner corner of Rasto formwork, with the patented 2°of stripping clearance, has a leg length of 30 cm. Theinbuilt corner stiffener ensures that the inner corner formsan exact right angle for concreting.

Corner stiffener

By simply disengaging the corner stiffener, the 90° anglecan be eased by 2°. It is then possible to remove the innercorner from the concrete without difficulty.

2°

Corner stiffener disengaged

The right-angled outer corner is always composed of twoRasto panels aligned and held together with outer cornerclamps. The formwork can be adapted to wall thicknesswith the available elements of 30 to 90 cm and the 5 cmadjustment piece.

The number and arrangement of outer corner clamps andof the Rasto clamps on the first joint of the outer cornerdepends on the thickness and height of the wall beingshuttered.See the table on page 19.

First panel jointof the outer corner

Outer corner clamp

Rasto panel

Rasto panel


System dimensions of theRasto corner

Arrangement of Rasto panels for wallthicknesses of 15 to 50 cm in 5 cm increments

By using the 5 cm adjustment pieces it is possible tobridge gaps in the module of panel widths. Adjustmentpieces in the panel joint (inside or outside) demand the useof the adjustable aligning clamp as the connector.

Adjustable aligning clamp

5 cm adjustment piece

The adjustability of the corner clamp also makes it possibleto fit adjustment pieces in the joint of the outer corner.

5 cm adjustment piece

Outer corner clamp

With 4 or 6 cm timber adjustment pieces, the formworkcan be adjusted to corners with wall thicknesses of 24 or36 cm.

d1

d2

302

30

Panel width

Pane

lwid

th

For corners with different wallthicknesses, the sameprinciples should be applied topanel arrangement.

Panel width5 or 10 cm overlap

60

5

455

545

45 5

60

50

60

60

5

5

60 55

65

60

5 60 75

5

60

75

60 5

75

65

75

75

5

5

5

90

75

90

90

75 505

15 cm 15 cm

20 cm 20 cm

25 cm 25 cm

30 cm 30 cm

35 cm 35 cm

40 cm 45 cm

50 cm 50 cm

20 cm


Number and distribution of connectors onRasto corners (outer formwork)

Wall thickness < 30 cm

Wal

lhei

ght

<3

.0m

Wall thickness < 40 cm Wall thickness < 50 cm

Wal

lhei

ght

<6

.0m

Wal

lhei

ght

<4

.5m


Wall T-junctions

At wall T-junctions, system shuttering can be simply usedup to a wall thickness of 40 cm. Adaptation is possible withthe various panel widths and the 5 cm wide corneradjustment piece.

Stopends

The holes in the edge profiles of Rasto panels providefastening means for stopends. By using the centeringtension bolt and centering nut (or tension nut), the waler80 or a correctly dimensioned piece of squared timber, forexample, can be used to accommodate the stopend.

Stopend

Waler 80

Centering tensionbolt andcentering nut

For wall thicknesses > 30 cm, at least 3 waler profiles mustbe fitted for a wall height of 2.7 m.

> 30 cm

Centering tension bolt

Waler 80

15

20

25 30

Corner adjustment piece

35 40

75 5

5 5

55 5

75

75 90

9090

30 30


Length adjustment

Adjustment to the required formwork length is effected bycombining the various panel widths. Gaps in the module ofthe panel widths £ 15 cm are bridged with a lengthadjustment piece positioned between the panels. Gaps upto 15 cm are bridged with the aid of 12 cm thick timberadjustment pieces. The ties must always be insertedthrough the adjustment piece. The panels are giventension- and compression-resistant joints with theadjustable clamp.

When tying, make sure thatthe tie nut is sufficientlysupported on the edgeprofiles of adjacent Rasto panels.For adjustments greater than8 cm wide, the tie nut 230with the large bearing plateshould therefore be used.

max.15 cm

Tie nut 230

Adjustable aligning clamp(adjustable from 1-15 cm)

Timber adjustment piece(12 cm thick)

12 cm

For larger adjustment widths up to 30 cm, use the waler80. It should be fastened to the perforated ribs of theRasto panels with 2 waler spanners (and tension nuts) ineach case. Tying is also effected here through theadjustment piece.

The timber adjustment pieces to be provided on site(10 cm thick squared timbers + 21 mm thick shutteringskin) can be nailed on via the holes 1 in the waler.

21 mm shuttering skin

8/10 or 10/10squared timber

Nail

Waler spannerTie

max. 30 cm


max.150°

min.60°

max.175°

min.90°

Corners with oblique angles

With the two hinged corners 15 and 30 offered by theRasto system, it is also possible to shutter non-right-angled (oblique-angled) building corners.They differ in their leg lengths (15 or 30 cm) and in theirpossible adjustment ranges.Hinged corner 30 can only be used as an inner corner.

The formwork example shows a combination of hingedcorner 30 as the inner corner with a hinged corner 15 asthe outer corner.

Hinged corner 30

On corners greater than 90°, the MP-panels in the outerformwork make tying easier.

The connector for the hinged corner 15 is always the cen-tering tension bolt with the centering nut (3 for a shutteringheight of 3.0 m).

An example of formwork with the hinged corner 15 in theouter and inner formwork. This combination is onlypossible in the obtuse angle range ( > 90°).

Hinged corner 15

MP-panel

Centering tension boltwith centering nut

Length adjustment piece

MP-panel

Hinged corner 15

Hinged corner 30

MP-panel

Hinged corner 15

Hinged corner 15


The hinged waler 170 solves the tying problem on acute-angled corners ( < 90°). The walers hinged by a pin arefastened to the formwork with the tie bearing and a walerspanner (with tension nut) each at tie height.

min. 60°

Hinged waler 170

Tie bearing (complete)

Waler spanner with tension nut


max.150°

min.60°

min.60°

Possible effective adjustment rangesof the hinged corners

Hinged corner 30 Hinged corner 15

Hinged waler 170

Tie bearing

Waler spanner

Centering tensionbolt withcentering nut

Hinged corner 15


Hinged corner 30

The hinged corner 30 can be connected tothe neighbouring panel with theRasto clamp or the centering rod.


Centering tension boltwith centering nut

max

.270

°


80

(85

)6

5(7

0)

55

(60

)5

0(5

5)

45

(50

)4

0(4

5)

35

(40

)

Panelsoffset

(...) with the use of a 5 cmcorner adjustment piecePanels in pairs

70 (75+80) Panel 9055 (60+65) Panel 7545 (50+55) Panel 6540 (45+50) Panel 6035 (40+45) Panel 5530 (35+40) Panel 5025 (30+35) Panel 45

90

75

65

60

55

50

45

30

The use of a 5 cm corner adjustment piece (or a different5 cm wide infill piece) in the corner is another means ofadjustment.

5 cm corner adjustment

Outer corner clamp

Rasto panel

5 cm or10 cmoverlap

Panelsin pairs

Panelsoffset

Panelsin pairs

Column formwork with Rasto panelsColumn formwork with MP-panels

A column form made of standard Rasto formwork panelscan be simply and quickly assembled for a wide range ofdimensions with the aid of the outer corner clamp. Byarranging the panels in pairs or offset, or by using anadjustment piece at the panel overlap,the form can yield column crosssections ranging in size from20 cm to 85 cm max.

The number of corner clampsrequired depends on theform height and the widthof the Rasto panelsemployed (see table).

The MP (multi-purpose) panel with the continuous row ofholes on the tying levels are used amongst other things ascolumn formwork.Four of these MP-panels, assembled in the mannerdepicted, create a variable form for square and rectangularcolumns. It can be adjusted in a 5 cm module from 15 cmto max. 55 cm.

min.15 cmmax.55 cm

The connection

MP-nut

MP-bolt

Manto tie nut

Adjustable aligning clamp

On height-extended columnformwork with panels ofdifferent sizes, the smaller panelshould always be at the bottom.The adjustable clamp is used asthe connector.

Form heightPanel width

< 60cm > 60cm1.50 m2.70 m3.00* m

3x44x45x4

3x45x46x4

* Maximum form height

Number of cornerclampsOuter cornerclamp


Bracketsand struts

The walkway bracket is simply hooked into the holes of theRasto panel ribs. The spring pins permanently attached tothe bracket prevent it from being accidentally lifted out. Thescaffold planking must be secured by means of the inte-grated wooden strip. The inserted railing posts create a1.2 m high guard rail.

Walkway bracket

TK railing post

1.00 m

1.20 m

If connected to a horizontal Rasto panel, the waler bolt D20has to be fitted and is also secured with the spring pin.

Waler bolt D20

The maximum permitted horizontal distance betweenwalkway brackets is 2.5 m (or 1.9 m for applications > 30 mabove the ground). It is designed for the loads of scaffoldclass 2 to DIN 4420, Part 1, edition 12/90 (150 kg/m²).

Spring pin

The R-adjusting strut aligns and secures single-storeyRasto formwork (up to a form height of < 3.0 m). It comeswith all the connecting pieces and is usually connected tothe edge profiles of the panel joints. The formwork isaligned with the two tension- and compression-resistantspindles.

In exceptional cases (e.g. for column formwork), it may benecessary to connect the R adjusting strut in the interior ofthe panel. By using waler 80, which is fastened with 2 walerspanners (+ 2 tension nuts) to the ribs, it is possible toconnect both the adjusting strut and the strut connector.

Waler 80

Waler spanner

R-adjusting strut

R-adjusting strut

For formwork heights < 3.0 m, the distance betweenR-adjusting struts must not exceed 2.25 m.

Panel joint


To provide additional support to height-extended Rastoforms and for form heights > 3.0 m, the R-strut connectorand the strut base joint permit the use of standard tubularsteel props for this application.

The holes of the connection plate of the R-strut connectorpermits the connection* of all Thyssen Hünnebeck tubularsteel props.In special cases, it is also possible to connect Alu-Top propsor BKS aligning struts.The fully assembled support is connected, as illustrated, tothe panel joint of the Rasto form.

* = 4 hexagon boltsand nuts M 12 x 30

The base plate of the strut base joint (like that of theR-adjusting strut) has 2 holes for attachment to thefoundation slab.

21dia. 18dia.

Counter nut

An additional counter nut gives thetubular steel prop a tension- andcompression-resistant joint.

The choice of tubular steel prop depends on the load, formheight and the associated extension length. The ThyssenHünnebeck range of props covers all lengths from1.5 to 5.5 m (see loading table for tubular steel props).

Important!The maximum permitted tensile loading of the tubular steelprop is always at least 15 kN.

18

35

35

6

Tubular steel propadjustment range

* = 4 hexagon boltsand nuts M 12 x 30

Strut base joint

Tubular steel propR-strut connector


Handling large-area formwork unitswith a crane

Angle of spreadof crane ropes

> 60°

For the crane handling of large-area Rasto units, only theRT crane hook must be used.This hook must always be used in pairs and has a maximumload-bearing capacity of 500 kg. In this way, formwork unitsof up to 25 m²(*) can be shifted with a single pair of hooks.

The RT crane hook must always be connected to a paneljoint. With the fastening pin withdrawn, the hook is guidedover the panel edge profiles and aligned with the top hole.When the fastening pin is fully inserted, the RT crane hookis ready for use.

RT crane hook

Top hole in edgeprofile

Panel joint

With drawnfastening pin

Connected RT crane hook.

On the Rasto XXL panel, the connection point for the cranehook for individual panel handling is in the corner at the railprofiles. Units for crane handling must not comprise morethan 3 Rasto XXL panels.

Connection to a verticalRasto XXL panel

Connection to a horizontalRasto XXL panel

Always heed the following points:Always use RT crane hooks in pairs.Insert the fastening pins as far as the stop.The angle of spread between crane ropes mustnot exceed 60°.Only use materials in immaculate condition.Do not exceed the maximum loading.Follow the RT crane hook’s own operatinginstructions.

(*) = Units including the XXL panel must notexceed 20 m²of Rasto formwork

Caution!The pin must beinserted as far asthe stop.

Hünnebeck GmbHRehhecke 80 · D-40885 Ratingen · GermanyP.O.Box 10 44 61 · D-40855 Ratingen · GermanyPhone +49 (0) 21 02 / 9 37-1 · Fax +49 (0) 21 02 / 3 76 [email protected] G

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rasto formwork gb - ikb.poznan.plr/sc/pr/dr/s/harsco_rasto_a.… · rasto formwork · instructions...

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