Assembly and Operating Instructions EcoAs
Contents
1. Hexagonal nut backing plate Fig 23 6 pigna 2 most suitable solution Panels of different length may be chosen Just take care that the formwork is E 7 1 tightly pressed to the EA existing wall in order I to avoid a leaking of ol A the fresh concrete and a patchy concrete 7 finish Y For connecting the formwork to existing walls or previous concreting sections with the use of multi purpose panels Fig 23 6 and 23 7 see Connection through gt padgee existing tie hole Y using an alignment Z1 rail L 23 Stop end Stop ends can either Detail tie claw 23 2 alignment rails be formed using stop per panel end fixtures align Tie rod a ment rails Fig 24 2 A Stop end fixture 23 40 or outside corners Tie claw 23 standard panels Fig 24 5 and 24 6 The former solution requires either addi tional ties outside the panels that are placed through tie claws 23 Fig 24 1 24 2 and 24 4 or a direct anchoring through the tie hole Fig 24 3 The latter solution requires an additional reinforcement with alignment rails if the panel width is of more Fig 24 1 than 50 cm Fig 24 5 EA panel Reinforcing bars Joint tape Fig 24 2 Fig 24 3 Anchoring through tie hole Fig 24 4 Anchoring with tie claw 23 An additional reinforcement with alignment S2. Fig 14 2 Description Ref No i EA inside corner LO wcrc 21 725 20 EA inside corner 160 2 5s 21 725 25 EA inside corner A 120 2 5a esras 21 725 30 A Uni assembly Fig 14 3 Fig 14 4 locka aen 29 400 85 Steel filler 240 5 21 726 00 Steel filler 120 5 21 726 10 14 A meva 90 outside corner Alu 4 15 4 The EA outside corner is made of plastic coated alumi 5 10 nium and has an integrated chamfer fillet Fig 15 1 The side length is of 5 cm A on both sides Together with EA panels and EA assembly locks you have a solid outside corner assembly for 90 angles with a high resistance to tensile forces Fig 15 2 and 15 3 Outside corners with a height of 240 cm are connected with 3 assembly locks Only 2 assembly locks are required for outside corners 160 cm and 120 cm high 15 10 Fig 15 1 _p panel width 1 wall thickness WS 20 cm panel 1 WS Fig 15 2 Description Ref No EA outside corner 240 Alu oe eeeeeeeecee 21 725 85 Fig 15 3 EA outside corner TOO AU panere 21 725 90 EA outside corner 120 Alu 21 725 95 15 Multi purpose panel The panels are Multi purpose panel Connection to particularly suited to existing wall Existing form pilasters stop ends connections to existing walls 90 corners and wall offsets Fi
3. stripping of the formwork Before removing the panels piece by piece or in large size panel units they have to be detached from the concrete If the formwork is handled manually working scaffold and push pull props are removed prior to stripping the panels If the formwork is handled by crane working scaffold and push pull props remain on the large size panel units The dismantled units are cleaned in upright position and release agent is applied before moving them to the next concreting cycle see page 36 When there is no further use for the large size panel units they are laid down to remove scaffold and props The panels are cleaned on the ground and piled up for transport e g using transport angles 39 Formwork cleaning and regeneration The MEVA clean park is provided with industrial equipment to clean large form work quantities When panels are refurbished the work schedule includes the following steps the old forming face is removed the frames are checked repaired cleaned and dip pain ted anew forming face is installed As long as the formwork is still up to date as far as static values exact dimensions of frames and profiles are concerned a regeneration is always more cost effective than the purchase of a new formwork Hire service Our customers have the opportunity to hire supplementary material in peak times On the other hand we give prospec tive customer
4. part 1 S adm bracket spacing m for platforms made up of e RN boards planks Scaffold Widthof Thickness of group boards boards planks cm planks cm 3 0 3 5 4 0 4 5 5 0 Description Ref No 20 1 25 1 50 1 75 2 25 2 50 1 2 3 Scaffolding 24 28 1 25 1 75 2 25 2 50 2 75 A A caffolding bracket 125 29 106 50 ds 530 eee Guard railing post 100 ci 29 106 75 Side railing GOMMOO esccroccaricanins 29 108 20 Fig 33 2 Side railing PE AAA 29 108 30 33 Assembly and stripping of the formwork In the following we take a straight wall as an example to illus trate the sequence of operations Transport When unloading the truck and moving piles of panels on the construction site take care to use appro priate crane slings or the like Fig 34 1 Assembly Erect the first panel and immediately attach a push pull prop Anchor the prop to the ground in order to prevent the panel from tilting over Erect further panels and connect them to each other with EA assembly locks see page 8 Spray the forming face with the release agent MevaTrenn FT8 Attach the working scaffold Fig 34 2 and mount a side railing Fig 34 2 34 4 meva v e v E eI e cfePed ofc ee essssssn ESTER Oo Z a UTG N 03 Lue sz 220D Ter razoa Lg ESOS nea EL TZOVvoODI N ts SsEMVOLT OVO geo S gt 5 5 g oD Pen O Us s5ebacgs
5. these highest points where the rod is placed is equivalent to the spacing of measuring points stated in the opposite table and figure respectively Connecting devices The fast and efficient connection of the panels is effected with the EcoAs assembly lock No matter if the panels are assembled side by side or on top of each other the assembly lock can be attached on the frame at any position required Owing to its 5 point contact the lock does not only draw together the panels it also aligns them Fig 8 1 8 2 and 8 3 Since the lock weighs only 1 5 kg it can be easily attached with one hand even if you are working ona ladder See pages 11 14 for the required numbers of assembly locks Fig 8 1 O 5 point contact Fig 8 2 Fig 8 3 Description Ref No EA assembly lock29 205 50 8 4 meva Placing of ties Conical anchor sleeves Fig 9 1 for tie rods DW 15 are welded to the panel frame The conical shape allows the formwork to be sloping however care has to be taken to secure the formwork against uplift by using articulated nuts These articulated flange nuts are easily tightened and loosened with a special ratchet spanner SW 27 Fig 9 2 When 2 panels of a different width are assembled side by side the ties are always to be placed through the panel correcto __ wrong with the greater width Fig 9 3 In principle ties have to b
6. and outside Fig 19 4 corners Alignment rails are mounted to the multi function profiles of the outside corner assembly to provide accurate alignment Fig 19 1 and 19 2 With an internal angle of more than 100 alignment rails and timber spacers are used on the inside corner assembly as well Fig 19 1 Timber fillers and Uni assembly locks 22 are used to compen sate length differ ences Side length of outside corners 7 5 cm Side length of inside corners 30 cm Adjustment range of both corners 60 180 Additional timber spacer Fig 19 1 Description Ref No EA hinged inside corner 120 30 21 726 40 EA hinged inside corner 240 30 21 726 30 Fig 193 Fig 19 4 EAchinged outside corner 120 21 726 60 EA hinged outside corner 240 21 726 50 19 Hinged corners Connection with flange screw 18 It is recommended to and flange nut 100 secure the alignment rail with flange screws Hinged outside corner before installing the anchors Fig 20 1 Timber filler Uni assembly lock The size of the Y timber fillers depends Panel on the wall thickness Hinged inside corner y panel width E1 appropriate timber filler the internal angle and the panel width See table 20 2 for details Internal angle o e Fig 20 1 y j WS calculation of the variable
7. 0 Make sure to attach 0 F an alignment rail of sufficient length if you extend panels in vertical position Fig o 11 1 and 11 2 wo Sa Al x LH r 7 m rt E hk A Fig 11 1 AN S o N LL 35 E o N 4 E SN ahs Fig 11 2 11 Height extension Horizontal height extensions of Height extension with panels in horizontal position O If the panels used for height extension have a width of more than 30 cm ties have to be placed at the anchoring points as illustrated here Fig 12 1 more than 30 cm gt 30 fh Hp sy Hp pf AP O No ties have to be placed at the upper Horizontal height extensions Folding access platform most anchoring point up to 30 cm if the panels used for height extension have a width of less than 30 cm Exception when using folding access platforms BKB then again the ties have to be placed Fig 12 2 30 Fig 12 2 12 4 meva Lo Substitution for ties for Lo Substitution for ties e No Situation 2 panels 160 80 in vertical position height extension with 1 panel 160 80 in horizontal position gt Fig 13 1 With 2 80 alignment rails o attached to the multi l dp f
8. 4 meva Assembly and Operating Instructions A versatile system for all kind of applications EcoAs is a small sized versatile and adaptable modular formwork system It is most suitable for all contractors involved in structural and civil engineering projects The economic advantages can be shown particularly in areas which are conventionally formed usingtraditional timber shutters such as strip footings foundation slabs light shafts various beams landings and drain shafts The panels can be easily assembled by hand Through the favourable position of anchoring holes EcoAs is suited to form all kinds of foundations even with joint tapes or kickers involved Fast panel connection The MEVA assembly lock permits the fast and safe connection of the panels It can be attached on the frame at any position Since the lock weighs only 1 5 kg it can be easily attached with one hand With only a few hammer blows a safe connection anda perfect alignment are achieved Longer life span An improved protection against rust and corrosion is ensured by a cataphoretic dip painting well established in truck construction carried out before the final immersion treatment This prolongs the life span considerably and reduces the cleaning effort Easy attachment of accessories MEVA multi function profiles with integral Dywidag threaded nuts facilitate the attachment of all accessory parts Push pul
9. 50 29 109 60 1 90 3 20 25 30 18 5 upper prop of wall brace 250 up to a wall height of 3 75 m Push pull prop R 460 29 109 80 3 40 5 20 20 30 35 8 wall formwork up to a wall height of 6 00 m Push pull prop R 630 29 109 85 5 10 7 60 9 5 9 5 67 8 wall formwork up to a wall height of 9 00 m Tab 32 2 4 meva Working scaffold Scaffolding bracket Scaffolding brackets Guard railing post 90 are provided with self locking pins Thus they are suspended at the multi function profile and fastened to the next multi function profile located below by means of a flange screw Fig 33 1 Scaffold boards planks are mounted to the bracket to com plete the working platform Max bra cket spacing with an assumed load of 150 kg m2 2 50 m depen dent however on the type of gang boards used see opposite table 33 3 DIN standard 4420 Separate guard railing posts 100 are fixed to the scaffold Fig 33 1 brackets An additio nal side railing with guard rail inter mediate guard rail AA ZA ZA Scaffolding bracket Side railin 9 and toe board is adra required if the height f 9 above ground is of k 2 0 m or more intermediate Minimum section of guard rails Fig 33 2 guard rail 15 x 3 cm with a spacing of posts up to 2 0m Sa 20 x 4 cm with a spacing of posts up to 3 0m S O a toe board Extract of table 8 of German DIN N A min 10 x 3 4420
10. atement if required by site A meva Contents TRe ECOAS pahe ivi orion a daa dada 4 Thealkus hector anciana ida eres ieee Se ees pon 5 Rate of placing iii ia REE E 6 Surface PIAMENESS aistein liada Hated da dci dial 7 Connecting devices siii ridad 8 PIAGIAG OF desir ii AA sania feast sweet Situs aiii 9 Height extensivo picnic added cnn 10 12 SUDStItUtION FOF tesenn anesan nanaii aeania aad aaa araa hale 13 90 inside corner 90 outside corner Alu coooncconcccoccccncccncncnncnnnaccnncno 14 15 Multi purpose panel Corners with multi purpose panels 16 17 T Wall jUNctON aiii ani ii 18 HUNG EC corners maristas toa cda 19 20 Length cOMpPeNnsation ici atacada ainda tena de david daa 21 COLUMN tor Mwork icon ci idas 22 Connection to existing Wall oooonncccnnncccinocccnnoccccnnnnnnonnncnnnnncnnnnncnnnnncnnnnannnnns 23 SOD CIN an Ea 24 Wall offset mms nda ar ra aai 25 Projecting columns pilasters ccceccccesseeeeeeeeeeeeeeeeceeeeseeeeseeeeeeseeeeeees 26 Differences in height ica 27 Panels in horizontal position ccceeeeeeeeseeeeeeeeeeeeeeeeeeeeeeesaeeeseeeeseteeeeees 28 Attachment of accessories aiinsir tadina serasi esnan 29 Crane ganging transport sesinin aieiaiei asai cnc 30 31 Wall Draco iissa irni en eaa aa 32 o A iie e a ieia 33 Assembly and stripping of the formwork oocccnccccncccoccnocnnconnnonnnnnnoos 34 39 SOIVIGOS 5 ctics A 40 Detailed list of ECOAS COMPONENTS ceece
11. be guaranteed any more Attention Make sure to use always 2 EA crane hooks even on indivi dual panels when you move them by crane Fig 30 4 and 30 5 Description Ref No EA crane hook 29 103 90 30 4 meva Crane ganging transport When moving larger panel units take care to attach the crane hook at a panel joint Fig 31 1 so that it cannot disengage Gang with EA panels 160 80 inclu ding accessories AS Always use 2 crane hooks alignment rail 125 nae MN Weight of gang is max 600 Fig 31 1 MN kg 300 kg per crane hook Weight 425 kg Transport angle The transport angles Fig 31 2 permit a space saving storage of panels without the AA a need for any supporting timber Even if the pile is not completed a 4 rope crane sling never use a 2 rope sling can be attached directly above the topmost panel 5 to 12 EA panels can be moved at a la time The maximum i load bearing capacity of a transport angle is of 10 kN Description Ref No Fig 31 2 Transport angle 10 rsss 29 305 10 Transport angle 10 rigid type 29 305 15 31 Push pull porps wall braces Wall braces are attached to the multi function profiles of the panels by means of formwork prop connectors Fig 32 1 If the wall braces are only needed to align the formwork we recommend a s
12. e placed at allanchoring points When using tie claws size 23 Fig 9 4 the ties can also be placed at the outside of the panels e g when forming stop ends When forming foundations a foun dation tape p 28 allows to place the anchors beneath the formwork and a push pull strut allows to place them above See page 24 for further possibilities to Fig 9 2 place ties Description Ref No Tie rod DW 15 90 coccion 29 900 80 Flange nut 100 29 900 20 Articulated flange Nut 120 recorra 29 900 10 Plug D 20 29 902 62 Tie claw 23 29 901 44 Ratchet spanner SW 27 29 800 10 9 Height extension High degree of flexibility The formwork is extended in height using panels which are assembled on top of each other in vertical or horizontal position No matter what possibility you opt for the connection is always made by means of the EcoAs assembly lock The panels are available in standard heights of 240 160 Combination of panels and 120 cm al By combining the o panels height S eg extensions in 40 cm steps and a uniform grid of joints are a AE guaranteed Fig 10 1 Q SS o a t gt pa o RA Fig 10 1 10 4 meva Height extension 400 36
13. eceeeeceeeeeeeeeeeeeeeseteeeeaeeaees 41 60 The EcoAs panel Fig 4 1 The steel frames are manufactured of closed profiles which are welded in mitred joints These profiles are provided with a double groove and an integrated protection for the forming face Fig 4 2 Pioneering panel connection with the EA assembly lock see page 8 Fig 4 3 Fast and safe attachment of accessory parts at the multi function profile see page 29 Fig 4 4 The traverses too are made up of closed steel profiles Fig 4 5 Conical anchor sleeves allow an easy insertion of the tie rods see page 9 Fig 4 6 The transportation holes are designed to accept appropriate transporting devices This facilitates loading unloading of trucks and piled up panels can thus be moved at ground level 4 meva The alkus sheet Fig 5 1 Panel profile plywood face Fig 5 2 Panel profil alkus sheet The new plastic forming face consisting of polypropylene and aluminium not only retains all the positive properties of plywood but even beats the plywood in many ways life span load bearing capacity nail holding ability few and easy repairs 100 recycling concept An efficient production line guarantees competi tive prices Besides the obvious advantages such as considerably reduced cleaning effort minimum consumption of release agent and an excellent concrete finish the ecological asp
14. ects are of importance as well Fig 5 1 5 2 and 5 3 When we substitute plastic for wood the consumption of valuable timber Negative impression in the concrete when using Smooth and even concrete surface as there is no panels with a conventional plywood face projecting profile of the panel frame Plastic topping Metal or fibres Foamed plastic core _ resources will reduced On the other hand Metal or fibres further releasing of i Fig 5 3 Sandwich construction of an highly toxical dioxin is Plastic topping alkus sheet avoided which is developing inthe process of burning plywood that is bonded with phenolic resin Old and spent alkus sheets can be recycled to the same product There is a 100 recycling concept and a reaccep tance guaran tee given by the manufacturer The design pattern of the alkus sheet is shown in Fig 5 3 Fig 5 4 General rules for concreting based on the opposite tables Tab 6 1 and 6 2 O as defined in the German standard DIN 4235 concrete is placed in layers 0 5 1 00 m the concrete must not be placed from greater heights at free fall max fall height 1 50 m O the concrete is compacted layer by layer attention has to be paid that the vibra tor is not immersed more than 50 cm in the layer underneath O a final vibrating over the overall concrete height is not allowed nor does it prov
15. ef No Uni assembly lock 22 recisi 29 400 85 EA compensation plate 120 20 21 726 20 21 Foundations with a section of up to 90 x 90 cm Fig 22 2 and a concreting height of 1 20 m Fig 22 1 can be easily formed using standard panels and outside corners For heights up to 1 20 m 2 assembly locks are sufficient at eachjoint Columns with a side length up to 60 cm Fig 22 4 and a height of 2 40 m Fig 22 3 are formed in the same way however require 3 assembly locks Fig 22 3 Greater column sections and heights require additional walers in order to be able to take the high fresh concrete pressure Description Ref No EA outside corner LN asserere 21 725 85 EA outside corner TOO Alanis 21 725 90 EA outside corner 120 AlUoooocccicccc 21 725 95 22 Column formwork t max 1 20 7 Fig 22 1 max 2 40 ho Fig 22 3 max 0 90 max 0 90 Fig 22 2 max 0 60 max 0 60 Fig 22 4 Timber spacer same thickness as panel E mu _ fre DS e Fig 23 1 A meva Connection to existing wall Existing tie hole Various possibilities to connect the form work to an existing i concrete wall are ISS NN N shown in the opposite SINS y sketches Fig 23 1 to 23 5 According to the conditions onthe construction site the
16. evices Fig 28 6 to 28 8 saves the lower anchors The tensioning device is attached to the formwork with a wedge The maximum spacing of these devices depends on the concreting height and is e 1 85 m for 80 cm e 1 20 m for 100 cm e 0 70 m for 135 cm Description Ref No Push pull strut 29 105 70 Foundation tape 29 307 50 Tensioning device 29 307 75 Cart for foundation tape 29 307 55 28 Foundation tape presoun strut o o 00 Fig 28 3 Fig 28 4 Push pull strut 0 60 cm Fig 28 5 with tie rod and push pull strut Foundation tape Tensioning device S Push pull strut o 00 Fig 28 6 Fig 28 7 Foundation tape m Tensioning device Fig 28 8 with foundation tape and push pull strut 4 meva Attachment of accessories All panels are provided with multi function profiles Fig 29 1 and 29 7 These differ from the usual horizontal profiles in featuring Dywidag threaded nuts which are welded inside The multi function profile permits fast attachment of acces sory parts like wall braces Fig 29 5 and 29 6 alignment rails Fig 29 2 squared timber etc by means of flange screws Scaffolding brackets are provided with self locking pins and thus can be mounted to the multi function profile as well Fig 29 3 and 29 4 Another advantage Fig 29 3 Fig 29 4 projections and other i problem areas in c
17. g 16 1 16 2 and 16 3 They are provided with perforated traverses where stop end fixtures Fig Articulated flange nut 120 Tie rod DW 15 16 3 tie rods Fig Fig 16 2 16 2 and flange screws can be ERN attached If applied with a hinged corner there is no need for an additional alignment rail at the multi purpose panel if the distance X is less than L 2 Fig 16 4 If you have multi purpose panels on both sides anchors can be placed at any position required Fig Articulated flange nut 120 0 F E 80 fm mi me NE Tie rod Fig 16 3 DW 15 16 2 Flange nut 100 Stop end fixture 23 40 Note yellow The multi purpose panel is named MZE in the illustrations Fig 16 1 Obtuse angle H lt 1 20 m H gt 1 20 m see p 19 this side has to be anchored by chains to avoid a shifting of the formwork Description Ref No Articulated flange nut 120 Tie rod DW 15 EA multi purpose panel Fig 16 4 T20GD wc ccccimasiveses 21 720 51 Stop end fixture 23 40 yellow 29 402 85 16 A meva Corners with multi purpose panels Fig 17 1 and 17 2 E outline corner ES solutions with multi purpose panels for m wall thicknesses of 25 and 30 cm The perforated E P pe traverses of the panel Pe 48 at are punched every 2 5 cm Fig 17 4 This allows an accurate forming of all t
18. he ground push pull props and working scaffold are attached at the same time before erecting the whole unit Youshould have an even area available for the pre assembly Panel connection In general the panels are connected using 2 assembly locks Exception with 90 corner configurations the outside corners h 2 40 m are con nected to the adjacent panels by means of 3 assembly locks Fig 38 1 and 38 2 Bracing of the formwork After erecting the panels push pull props have to be attached immediately in order to prevent the panels from tilting over Therefore the foot plates of the props have to be safely anchored to the ground If anchored to the soil 2 ground nails are used if anchored to a concrete base 2 heavy duty dowels are required The spacing of push pull props is described on page 32 Fig 38 1 Clearance for easy stripping Fig 38 2 Clearance for easy stripping Fig 39 1 Scaffolding bracket 90 with pin safe attach 7 ment of the scaffolding bracket by means ofa 4 flange screw Brace frame form work prop connector attachment to the multi function profile by flange screw y Formwork height 2 40 m Fig 39 2 Working scaffold Scaffolding brackets Fig 39 2 are quickly attached with their integra
19. he typical dimensions found in 25 30 the field of stop ends A pilasters 90 angles Fig 17 1 Fig 17 2 and wall offsets Lo 50 25 Attention The stop end fixture must not be inserted into the outermost tie hole because it has to fully rest on the panel Fig 17 3 Note The multi purpose panel is named MZE in the illustrations 120 Fig 17 3 Fig 17 4 17 This configuration is assembled using two inside corners Fig 18 1 to 18 3 Different wall thicknesses are compensated for by means of either the EA compensation plate 6 20 cm plus EA assembly lock Fig 18 4 or with timber fillers plus Uni assembly lock 22 0 17 cm Fig 18 5 Fig 18 1 Standard panel Y IF AN EXI VE 7 La dy Y N VX PS FD Alignment rail see p 13 Compensation plate EA assembly lock Fig 18 4 Adm span dependent on the type of alignment rail m Timber filler Fig 18 3 Timber filler 0 17 cm Uni assembly lock 22 Fig 18 5 4 meva Hinged corners Acute and obtuse angled corners are formed using hinged inside Fig 19 3
20. ide any advantage for once compacted the concrete cannot be compacted any more this may only result in water bubbles shrinkage cavities on the concrete surface use a concrete with Soft consistence KR standard consistence no retarding agents or plasticizers are used O if special or self compacting concretes are used the per missible rate of placing has to be determined sepa rately as it depends on the gross weight of the concrete Please contact the MEVA experts for further advise Characteristic values of tie rods DW 15 Rate of placing Tie rod DW 15 d mm 15 d mm 17 Nominal cross section mm 177 Permissible working load as to DIN 18216 kN 90 Extension of tie rods under maximum permissible working load mm 2 5 Tab 6 1 1 Wall heights up to 2 40 m irrespective of the rate of placing 2 Wall heights exceeding 2 40 m 2 1 Application of tie rods DW 15 and articulated flange nut 15 120 recommended rate of placing adjusted to the permissible fresh concrete pressure according to DIN 18218 Temperature air concrete Permissible rate of placing Vb in m h dependent on the type of cement for standard consistence KR CEM previously PZ 35F PZ 45F PZ 55F CEM Il previously EPZ CEM Ill previously HOZ L NW PKZ FAHZ TRZ 15 C 2 00 m h 1 60 m h 1 20 m h 10 C 1 40 m h 1 05 m h 0 70 m h 5 C 1 00
21. ig 37 1 and 37 2 Relevant information The accident prevention regula tions of the country where the formwork system comes into use have to be strictly observed Assembly stripping of the formwork Planning stage Reasonable plan ning and work prepa ration guarantee most successful application of modern formwork systems First of all the necessary quantity of formwork material has to be determined In this regard several factors of influence should be taken into account e weight of the formwork to be handled e time allowed for assembly and stripping e transport of the formwork from one pouring cycle to the next either panel by panel or in large size panel units which considerably reduces the forming time e capacity of the lifting equipment e size of pouring cycles taking into account the number of corners etc With all the aspects considered the quan tities of formwork items can be specified In general this is done on the basis of a daily use of the formwork ona new pouring cycle Area of support The area where the formwork is to be erected should be clean even and capable of bearing the expected load 38 Assembly of the formwork In most cases it is recommended to erect the external formwork first Always start at a fixed end and immediately attach a push pull prop to the panels erected Fig 39 2 If you choose to pre assemble large size panel units on t
22. l props and alignment rails are fixed by flange screws Scaffold brackets are quickly attached with their integrated self locking pins Problem areas can be overcome using Dywidag tie rods of any length which are fixed to the multi function profile as well independent of tensioning holes Advantages Few accessories easy stock keeping no more searching for various parts and pieces as of March 2003 Please note This manual containsinformation instructions and hints how to use the MEVA EcoAs Formwork on the construction site in a proper quick and economicway Generally only as new material may be used Damaged parts have to be sorted out Please apply only original MEVA spare parts for replace ment When using our products the regula tions and codes of the respective country must be observed to guarantee safety Most examples shown are standard assemblies since they occur in practice most frequently In case of problems or special cases not dealt within this manual please contact the MEVA experts for advise What is shown on the following pages are assembly sketches for demonstration purposes To display details more clearly loading and safety factor aspects are not included The pictures show site situations which do not always depict the final as sembly of the form work with regard to safety regulations This technical manual can be used to form part of a method st
23. liable formwork solutions for wall and slab formwork as well as for working scaffolds Formwork drawings For complex con struction jobs MEVA also offers planning assistance Our engineers at the head office and in subsi diaries work with CAD programs and can supply you with clearly represented form work and cycle drawings as well as optimized lists of quantities for your jobsite Special customized formwork Even if you have to face a really difficult construction job e g Y shaped ducts or the like we will help With special parts particularly designed for your project as a supplement to our standard formwork systems A separate engineering division at our head office is continuously working onsuch solutions Static calculations Generally this becomes only necessary with for example a single sided formwork where the anchor parts are embedded in the foundation or the base slab If requested we carry out static calculations for such applications at a flat rate Tipos is a product of CIMWARE GmbH amp Co KG
24. m h 0 75 m h 0 50 m h Tab 6 2 4 meva Surface planeness Tolerances of planeness for wall surfaces and floor soffits The German indication of lines according to DIN 18202 table 3 standard DIN 18202 table 3 lines 5 to 7 surface planeness defines the admissible deformation of structural parts Tab 7 2 The maximum rise is laid down as ultimate value dependent on the distance between the measuring points The admissible fresh concrete pressure in compliance with DIN 18202 table 3 line 6 is of 50 kN m for tolerances EcoAs spacing of measuring points gt Fig 7 1 German Standard DIN 18202 table 3 Column 1 2 3 4 5 6 rise as ulitmate value in mm with a bpacing of measuring points up to m Line Reference 0 1 1 4 10 15 5 Untreated surfaces of walls and floor soffits E 5 101 15 25 30 For any inter mediate values see 6 Treated surfaces of walls and floor soffits Fig 7 1 Tolerances of e g plastered wall wall lining planeness and round suspended ceiling 3 5 10 20 25 up or down the values 7 as in line 6 but for heigher demands to full millimetre 2 3 8 15 20 The measuring rod is placed on the Tal 72 highest points of the surface and the deviation rise is measured at the lowest point in between The distance between
25. ns is achieved by means of alignment rails Fig 26 1 to 26 3 Fig 27 1 Fig 27 3 4 meva Differences in height As the assembly lock can be fixed at any position on the panel frame the formwork is totally independent of a connection grid and requires no additional accessories for assembly Vertical horizontal height differing Fig 27 1 and 27 2 and even inclined panels can all be safely connected by means of EA mg 2v2 assembly locks Compensations and adjustments to the concrete structure are made up of timber strips squared timber and plywood panels which are cut to the size required Again connection is achieved with the EA assembly locks Alignment rails are used to transfer the fresh concrete pressure in the compensation area Fig 27 3 and 27 4 Z h RLE H the substructure is made up on site Timber filler 27 Panels in horizontal position Due to the central position of anchoring holes in the horizon tally arranged 80 cm wide panels Fig 28 1 to 28 5 EcoAs is particularly suited to form complicated foundations even with joint tapes or kickers involved With this formwork height of 80 cm inside corners 120 cm are used if angles are involved Push pull struts 0 60 cm permit to tighten the panels above the formwork thus you avoid placing the upper tie in the concrete The use of founda tion tapes and tensio ning d
26. oncrete structures are easily overcome by means of Dywidag threaded tie rods of any length These ties can be efficiently fixed to any multi function profile independent of the anchor holes Fig 29 1 Fig 29 2 Fig 29 5 Fig 29 6 29 Crane ganging The admissible load Features of capacity of the EcoAs separation crane hook Fig 30 1 If the control is of 300 kg measure Fig 30 2 Thehandling Open exceeds 32 mm the the safety lever as far crane hook has to be as possible Fig 30 2 replaced immediately Then push the crane This is also applicable hook over the panel if only one side of the frame until the nose hook exceeds this engages completelyin measure the groove Put the safety lever back to Accident prevention the starting position to The Health and lock the crane hook Safety regulations of Fig 30 3 the country where the crane hooks come Safety test into use have to be The crane hook has strictly observed to be checked regu When attaching a larly before using iton crane hook to a a new construction horizontal panel site When exceeding always place it above the admissible load a traverse Fig 30 4 capacity of the crane When moving larger hook the material may panel units take care be strained which to attach the crane again might resultina hook at a panel joint permanent defor Fig 30 6 so that it mation In this case a cannot disengage safe application cannot
27. pacing of max 3 75 m In case the form work has to be secured against wind load as well the spacing has to be reduced to 2 70 m For further applica tions please contact one of our engineers e The formwork height and the length of the push pull prop should be the same The angle between brace and push pull prop should not exceed 60 Tab 32 2 e Make sure to tightly secure the foot plate of the wall brace to the floor slab with dowels Description Ref No Push pull prop R TOO ica 29 109 40 Push pull prop R250 iia 29 109 60 Push pull prop RADO anis 29 109 80 Brace SRL 12 Ocio 29 108 80 Brace SRL 17 O reesei 29 108 90 Brace frame 250 with Combi assembly lock 29 109 22 Brace frame 250 with connector 29 109 20 32 Wall braces Horizontal spacing of push pull props wall braces to align the formwork lt 3 75m to take wind loads lt 2 70m Fig 32 1 Description Ref No Range of ad Adm pres Tensile Weight Recommended justment m sure kN force kN kg application Braces SRL Brace SRL 120 29 108 80 0 90 1 50 20 30 6 0 horizontal adjustment of the bottom of the form wall brace 250 climbing formwork Brace SRL 170 29 108 90 1 20 2 20 25 40 10 5 folding shaft formwork Push pull props R Push pull prop R 160 29 109 40 1 35 2 00 25 25 11 0 horizontal adjustment Push pull prop R 2
28. remainder y o 22 5 cm tan 3 Wall thickness Internal angle o y in cm in cm WS Panel width E1 Timber filler 24 70 75 55 1 8 0 75 85 50 5 0 0 85 96 45 5 0 0 96 110 40 50 0 110 146 30 10 0 0 146 168 25 50 0 168 180 Timber filler plywood panel 25 0 22 5 25 70 73 55 3 2 0 73 82 50 5 0 0 82 94 45 5 0 0 94 108 40 5 0 0 108 145 30 10 0 0 145 168 25 5 0 0 168 180 Timber filler plywood panel 25 0 22 5 30 70 85 55 10 3 0 85 95 50 5 0 0 95 106 45 5 0 0 106 120 40 5 0 0 120 152 30 10 0 0 152 170 25 5 0 0 170 180 Timber filler plywood panel 25 0 22 5 Tab 20 2 20 4 meva Length compensation dhs da Timber filler o fat mecha The compensation of length differences of up to 17 cm can be made on site with a A A timber filler and Uni Fig 21 1 aie te assembly locks 22 bot This section is reinforced using alignment rails Fig 21 1 to 21 3 Compensation plate The plate is used to compensate length differences of 6 to 20 cm For the reinforcement of these areas alignment rails are mounted 2 EA assembly locks are sufficient to connect the compensation plate to the adjacent panel Fig 21 4 and Fig 21 2 Fig 21 3 21 5 Fig 21 4 Tie rod DW 15 Alignment rail EcoAs panel Compensation plate Description R
29. s the chance to test MEVA formwork in order that they can convince themselves of the advantages during practical use RentalPlus RentalPlus is a rea sonable insurance fee which covers extensi ve services carried out on rental material which is returned to the MEVA yards This facilitates the final invoicing of complex rental projects Please contact your MEVA representative 40 MevaCAD more time for creative solutions MevaCAD stands for a software program me tailored to 2 D formwork planning Developed by MEVA in 1987 as an applica tion for Auto CAD it has since become well established in practice Software plus training seminar and hotline support are made available to all our customers MevaCAD not only optimizes formwork planning but also assists in producing cycle draw ings and material specifications With this programme it is possible to work out alternatives tech nique costs and carry out modifications in no time The result sophisticated form work concepts and more time for creative solutions Tipos Plus This software helps you to generate auto matic formwork drawings on your own and to optimize your formwork quantities Thus you can fully utilize your formwork material and at the same time are shown the optimal forming solution for the work at hand e easy to operate no CAD or programming knowledge needed e rationalizes the inventory on site and in your yard e re
30. t gz TA A pu CECB EC ae e O IO IZ ess COS rula Petes izo os 3esocroan 2 ouo uv z 3 00 Vvoscol Suanmnzos eUUVOENUS PLEGELSHKFSGPMNGAOF ECSOESGSUSY y gt coo Das HE ov gt Ven Zor qx amp nuovo oO vO o vo wA vencos eZzioy oa le OLS 00LX 0C YL oepyopypoypresoatu a orPaoseypaast LX S s 3 5 E pe 6 te o 2 a me c 6 2 2 5 4 Yas M AU SA Fig 35 2 35 Assembly and stripping of the formwork 5 2 Y ac Ss gt 250 QE pun 5 lt wn setting of the con crete the formwork can be stripped Start removing the v 0 2z0 SeEos 2 O UL lt x val vu lo MM o2AgG 32 wo zen ete oySs2zggs ce Lg a 0 lt ovuc pE ai x 5 nal ro osa gt Y VPZEZOC gt CS IJLODO ge or Ivanc 00 DN UOC panels with alkus plastic sheets we recommend to use the special release gt 0 gt v be gt o o oO O g jo Cc 00 J p m agent MevaTrenn FT AN e NS DA Fig 36 1 Fig 36 2 36 4 meva Assembly and stripping of the formwork The panels can be removed by using a crane hook either one by one or as larger panel units after the wall braces and the respective assembly locks have been removed F
31. ted self locking pins The brackets are the basic item for the working scaffold The bracket spacing varies depending on the type of gang boards used see description on page 33 table 8 of DIN 4420 part 1 The gang boards can be fixed to the scaffold brackets The gang boards must not be placed on the scaffold brackets before 1 the push pull props are attached to the formwork 2 all ties are placed connecting the 2 sides of the formwork A meva Closing of the formwork After the erection and bracing of the exterior formwork mark the concre ting height install recesses and reinforcement erect the interior formwork place the tie rods through plastic spacers with cones tighten the form work either using standard or articu lated flange nuts on both sides of the tie rod Stripping When short wall sections less than 6 m are involved take care to install a clearance while assembling the formwork Fig 39 1 This clearance permits easy stripping other wise the formwork might wedge or stick to the concrete In all other cases start stripping at one end or at a corner Flange nuts and tie rods are removed section by section The one side of the form work without push pull props has to be stripped immediately or otherwise secured in order to prevent the panels from tilting over The panels are stripped by removing the assem bly locks from the panel joints Assembly
32. top end with EA outside corners rail is necessary pp poda o oa L E PA panel width max 50 cm SE ipti Ref No a Description ef No Fig 24 5 Fig 24 6 up to the 1 Stop end fixture anchoring point 23 40 yellow 29 402 85 Tie claw 23 29 901 44 24 A meva One sided wall offsets of up to 10 cm are formed by simply a shifting back the corresponding panel Fig 25 1 and 25 3 For offsets exceeding 10 cm inside corners should be used Fig 25 2 and 25 4 All offset sections up to a maximum of 25 cm have to be rein forced by alignment rails Fig 25 1 and 0 10 Detail A Tie rod DW 15 with flange nut Timber spacer 25 2 Fig 25 1 Yo iN o K o 1 o Detail B Al Connection with Uni assembly lock 22 ig 25 2 Detail A Detail B Description Ref No EA outside corner 120 Alueen 21 725 95 Uni assembly lock 22 Timber spacer EA outside corner i NGO ALU ranee 21 725 90 Fig 2a OS EA outside corner 240 AU iniiai 21 725 85 Uni assembly lock 22 isssscssaccacces 29 400 85 25 Projecting columns pilasters Ordinary projections are easily formed using inside corners standard panels and where it is necessary some timber spacers IZA AA The static reinforce ment of the projec ting sectio
33. unction profiles you can bridge 2 tensio ning points 2 Appropriate z alignment rails are also used to replace the ties in the filler panel when compen sating length differ T R ences Fig 13 2 We Fig 13 1 recommend to attach the alignment rails to the multi function With a max fresh concrete pressure profiles and to restrict 9 4 of 50 kN m and the surface planeness the dimension of the adhering to DIN standard 18202 table gap to half the length 3 lines 5 and 6 the following gapscan of the alignment rail be bridged used Tab 13 3 and 13 4 Saws p Alignment rail Span to be bridged AS RS 50 up to 0 35 m AS RS 125 up to 0 70 m AS RS 200 up to 0 70 m l T Tab 13 3 Fig 13 2 fel span Ju length of alignment rail Description Ref No AS alignment rail A 29 201 73 Fig 13 4 AS alignment rail 125 AW ciones 29 201 75 AS alignment rail 200 galv 29 201 80 13 90 inside corner The EcoAs inside corner consists of 2 parts The plastic coated cover sheeting isexchangeable Only 2 assembly locks at each side are required to connect the inside corner to the panels Fig 14 1 Both sides of the corner have a length of 25 cm Fig 14 2 Inside corner with timber or steel filler Fig 14 4 the connection is effected by means of 2 Uni assembly locks In order to reinforce this area AS alignment rails are mounted to each multi function profile Fig 14 3
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