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Assembly and Operating Instructions MevaFlex

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1. how to use the MevaFlex formwork and its trans port devices Generally only faultless material may be used Damaged parts have to be sorted out and only original MEVA spare parts for replacement may be applied When using our products the federal state and local codes and regulations must be observed What is shown on the follwing pages are assembly sket ches for demonstration purposes In order to represent the details in the sketches more clearly the security aspects have not always been taken into full consideration Most examples shown are standard ones since they occur in practice most frequently In the event of more compli cated or special cases not dealt with in this manual please contact the MEVA experts for advice If necessary the pre sent Technical Instruction Manual can be used to make the additionally required on site assembly instruction Contents The mean parts of the MevaFlex system eseeeeteeees 4 ASSCMDIY isein eienn esea nea oles aasa sa eects 5 7 Strip DING irisan esaeas aea aa ennaa 8 9 WANS POM reen aaea a eE Ei 10 11 Binding girder solutions ecceeeeeeeeeeteeeeteeeeeeteaeeeeeeteaes 12 15 Measurement diagram of the forming face 16 17 Table for props crisps aeaa 18 Product list with dimensions eeeceeeceeeeeeeteeteteeeeeeetaes 19 33 The main parts of the MevaFlex system The MevaFlex is an economical solution due to the sturdy and long living desig
2. 50 250 220 200 25 250 250 210 190 170 150 30 250 190 170 150 130 120 35 250 150 135 120 110 100 40 200 125 110 100 90 80 50 160 90 80 70 65 60 60 110 65 60 55 50 40 70 60 40 Description Ref No 75 Trestlefor ae sree 29 5300 10 Basis for calculation Module of elasticity E gt 6000 N mm humid clamp H20 29 500 45 forming face 21 cm Height extension29 500 40 Beam support 29 500 25 14 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 P lt TIMTELA N Binding girder solutions 15 100 cm Distances between trestles for beams 40 30 using tensioning device and retaining rail on two H20 beams Basis for calculation Module of elasticity E gt 6000 N mm humid forming face 21 cm beam without slab slab slab slab J slab i height H slab d 20 cm d 25cm d 30 cm d 35cm d 40 cm cm cm cm cm cm cm cm 20 25 30 35 250 200 170 165 160 155 40 250 180 160 155 150 140 50 200 160 145 140 135 125 60 170 150 120 125 110 95 70 135 135 100 105 95 85 75 115 100 90 85 75 60 A meva Fig 15 1 Attachment of the trestle for beams 40 30 using retaining rail and tensioning device on two H20 beams Trestle for beams 40 30 with forming face lying directly on the H20 girders The retaining rail serves to a
3. A meva Assembly and Operating Instructions MevaFlex is a slab formwork which is not restricted by modular dimensions and therefore doesn t dictate to any rules of a modular system Due to the versatility of the MevaFlex system all geometric constructions can be realized easily and without difficulties Maximum variability and adaptability makes the MevaFlex profitable You are working demand oriented and are saving material efforts and costs Solidity of the construction stability and robustness as well as versatility and easy assembly characterise the MevaFlex system The MevaFlex girder slab formwork also impresses by its favourable material costs and is therefore an economical solution wherever the wage level is low The assembly and disassembly of the MevaFlex slab formwork may only be made by persons with an adequate knowledge for this In this Instruction Manual the standard assembly and disassembly is described Before use formwork parts must be checked visually on damages Only faultless material may be used The assembly of the MevaFlex slab formwork must be made in the given order of the following stages The formwork may only be assembled on sufficiently stab le ground If the ground is not strong enough to bear the load load spreading measures must be implemented 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 Please note This technical manual contains information instructions and hints
4. EP 450 m 175 300 cm 225 400 cm 150 250 cm 200 350 cm 185 300 cm 300 450 cm 1 50 1 60 0 a a 1891 GB pdf 12 05 St 1 02
5. Qam 11 0 kN between the joists and the forming face weight 5 5 kg m determine the dis width of influence 1 width of influence 2 tance between the for stringers at the f tral stri A edge of the Or cenTarsitnger stringers and the prop slab h distance bearing distance distance between stringers max bearing distance max adm bearing distance Example 5 o between joists distance between props slab thickness 22 cm g m area of influence chosen F X ty bearing distance bet 2 S E Im Ba g 3 ween joists 0 667 m s2 g results in a oje o 0 40 0 50 0 625 0 667 0 75 1 50 1 75 2 00 2 25 2 50 2 75 3 00 dist bet 12 4 92 3 64 3 43 3 19 3 12 3 00 2 33 2 16 2 02 1 90 1 79 1 63 1 49 a ees I gt ance n 14 544 347 3 27 3 04 297 286 2 21 2 05 1 92 1 80 1 62 147 1 35 see ae 9 16 5 96 3 33 3 14 2 92 2 85 2 74 2 12 1 96 1 83 1 64 1 48 1 34 1 23 di t m a a prop 18 6 48 3 21 3 03 2 81 2 75 2 65 2 03 1 88 1 70 1 51 1 36 1 23 1 13 1 a P ue 20 7 00 3 10 2 93 2 72 2 66 2 56 1 95 1 80 1 57 1 40 1 26 1 14 1 05 g minterpo atea 17 Load table for props Admissible load for props kN according to the European Draft Standard EN 1065 L MD 300 MD 400 ME 250 ME 350 MEP 300 M
6. ade by application of the correspondent MEP frames without il lustration Description Ref No MD prop 300 20 175 300 29 907 35 MD prop 400 20 225 400 29 907 40 Forked prop head H20 29 206 40 Beam clam 0 29 907 00 Pin 14 90 29 909 94 Cross bracing CLAM eesi 29 907 10 5 Fig 6 1 The props with for ked prop head must be levelled and then the stringers inserted from below into the forked prop heads by means of the forked assembly stick The forked prop head provides a stable support for one or two stringers Tips for the field Please turn the props beneath the edge girders in a way that the G hooks are parallel to the wall Fig 6 2 Also the joists must be applied from below Please attend to place a girder or a double girder below every intended for ming face joint 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 A meva Assembly Fig 7 1 Before entering the slab formwork the threepart side railing must be attached Please also observe any relevant safety regulations and or codes of professional associations of your country The forming faces will be applied to the cross girders and fixed by means of nails in order to avoid the tilting of the cross girders Before placing additional loads e g H20 girders forming faces reinforcement etc on the slab form work the necessary intermediate props mu
7. face Distances between the nailed trestles for beams 40 30 beam without slab slab slab slab slab height H slab d 20 cm d 25cm d 30 cm d 35cm d 40 cm cm cm cm cm cm cm cm 20 250 250 210 180 165 150 25 250 180 160 140 125 110 30 250 140 120 110 100 90 35 160 110 100 90 80 70 40 105 90 80 70 65 60 50 70 65 60 55 50 45 Basis for calculation Module for elasticity E gt 6000 N mm humid Description Ref No forming face 21 mm Trestle for beams 40 30 29 500 10 13 Binding girder solutions Fig 14 1 Attachment of tres tle for beams 40 30 with height extension using wedge clamp to the H20 girder Trestle for beams 40 30 with forming face lying directly on the H20 beams The height exten sion serves to extend the trestle for beams 40 30 Depending on the height of the binding girder the height extension has to be slipped into the trestle for beams 40 30 and attached with the integrated ham mer head screw The beam support must be attached to the height exten sion by means of the integrated hammer head screw and serves as support for a H20 girder Distances between trestle for beams 40 30 using wedge clamp H20 beam without slab slab slab slab slab height H slab d 20 cm d 25cm d 30cm d 35cm d 40 cm cm cm cm cm cm cm cm 20 250 250 2
8. iles can be placed side by side on the truck Weights per pile of forming faces 200 x50cm 1050 kg 250x50cm 1300 kg S For safety reasons it is not allowed to place square timbers or similar between the piles During transport and in order to avoid a shift of cargo the piles must be positi oned close to each CZ A other Before unloa ding the truck on site it is recommendable to shift apart the piles by means of long square timbers in or der to ease the lifting of the several piles from the truck Storage boxes are filled with accessories such as forked prop heads beam clamps tripods etc The ma ximum load bearing capacity is 2000 kg per each storage box Depending on the weight two or three boxes can be piled upon each other mm Binding girder solutions Fig 12 1 The trestle for be ams 40 30 can be ap plied to form binding girders or stop ends of free slab edges fig 12 1 Fig 12 2 Use to form stop ends fig 12 2 Fig 12 3 Use to form binding girders y f f f f z fig 12 3 Description Ref No Trestle for beams 40 30 29 500 10 12 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 A meva Binding girder solutions Fig 13 1 Trestle for beams 40 30 nailed with 4 nails 3 1 x 80 mm on a H20 girder with longitudinal support of the forming
9. n of its components Because of the mo dular design principle of the MevaFlex slab formwork slabs of every length width and thickness can be assembled Fig 4 1 All individual parts are easy to combine They are solidly ma nufactured and have a long working life Main and cross girder are of the same construction type and are therefore simp lifying the planning of material Fig 4 2 The forked prop head 20 must be attached to the push pull prop and secured by means of the pin 14 90 Fig 4 3 The tripod helps to erect the push pull props By means of the G hook and adjus ting nut the push pull prop will be adjusted provisionally fig 4 1 fig 4 2 H20 girder as joist forming face H20 girder as stringer A forked prop head 1g beam clamp pin JA push pull prop tripod 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 A meva Fig 5 1 The tripod can be erected in the edge and at the wall due to its swivelling legs Fig 5 2 The stringer will be inserted into the forked head 20 The forked head can sup port single girders as well as double girders overlapping fig 5 1 fig 5 2 Fig 5 3 If the forming height exceeds 3 00 m a diagonal bracing must be mounted by means of the cross bracing clamp in order to secure stability In the case of using MEP props the brac ing can be m
10. st be erected see table page 15 Fig 7 2 In order to facilitate the adjustment of the intermediate props to the H20 girders the beam clamp 20 must be attached to the prop by means of the pin and is located in position with a turn The formwork must be levelled at the bottom side of the girders and the forming face surface must be sprayed with form release agent MevatTrenn Important It may be slippery when entering new or sprayed forming faces Fig 8 1 When stripping first all intermediate props between the girder ends must be taken out and laid into the mobile piling racks Re ferring to the stripping times please adhere to the codes of the pro fessional associations in your country The remaining props below the girder ends can now be lowered for approx 5 cm Fig 8 2 Afterwards the joists between the form ing face joints will be tilted pulled out and laid into the mobile piling racks while the girders below the joints are still remain ing 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 fig 9 2 Fig 9 1 After the joists are pulled out the forming faces will be dismantled and piled up Before moving the props the forked prop heads or beam clamps must be se cured against falling out by means of pins 14 90 Fig 9 2 Lengthwise sor ted props jois
11. ts and stringers will be laid in piling racks or in mobile piling racks Then the piles or piling racks will be transported to the crane area Description Ref No Piling rack 27 000 20 Swivel type castor 100 29 305 95 Transport hints For transport on trucks MEVA applies square timbers of 7 x 7 cm in order to assure the loading or unloading by means of fork lift trucks or lifting devices crane excavator or similar In order to unload the trucks on site appropriate transport devices crane slings etc must be provi ded H20 girders are packed in piles of 60 pieces tied up with two steel strappings On the truck three piles can be placed upon each other and two piles side by side Weights per pile of H20 girders 1 5 90 m 1770 kg 4 90 m 1470 kg 4 50 m 1358 kg 3 90 m 1170 kg 3 30 m 990 kg 2 90 m 870 kg l 2 45m 738 kg Props are transpor ted in piling racks Depending on the weight two or three piling racks can be placed upon each other and two racks side by side on the truck Weights per pile of props including piling rack weight of 28 kg 60 MD 300 910 kg 40 MD 400 1016 kg 60 ME 250 976 kg 40 ME 350 1012kg 30 MEP 300 616kg 30 MEP 450 853kg 10 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 A meva Transport hints The forming faces are sorted according to size and transpor ted in piles of 100 pieces Four p
12. ttach the trestles for beams and must be mounted together with the tensioning device below the joists 2 x H20 The tensioning device serves to eco nomize on trestles for beams For a smooth ly adjustable and safe connection between the trestle for beams 40 30 and the retai ning rail 89 Ref No Description Trestle for beams 40 30 29 500 10 Beam support 29 500 25 Height extension29 500 40 Retaining rail 29 500 20 Tensioning device29 500 35 Measurement diagram Static system Measurement dia gram of the 21 mm triple laminated form ing face Calculation base triple laminated 21 mm forming face Module of elastic ity E 7500 N mm humid adm bending stress o 6 5 N mm humid load bearing capac ity defined in the DIN standard 4421 Deflexion f lt 1 500 of the distance between props Props stringers and joists are placed on statically neces sary and reasonable points 16 forming faces must cover at least two interspaces L max deflexion f in mm 1 3 1 2 1 1 1 0 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 l 66 7 2 5 l 5 0 0 1 40 0 10 12 14 16 18 20 22 24 26 28 30 35 40 45 50 slab thickness in cm 1891 GB pdf 12 05 St 1 02 1891 GB pdf 12 05 St 1 02 A meva Measurement diagram Mam 2 0 kNm The slab thickness the chosen distance

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