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THE

STRONGEST

IN FINLAND

Technical

Manual

Technical changes and 

errors reserved

Design according to ACI and Eurocodes

Version 16.5.2014

RVL-N Single 

Wire Loop Box

Summary of Contents for RVL-N Single

Page 1: ...THE STRONGEST IN FINLAND Technical Manual Technical changes and errors reserved Design according to ACI and Eurocodes Version 16 5 2014 RVL N Single Wire Loop Box ...

Page 2: ...for tensile force ACI 9 4 5 Resistances for combined forces ACI 9 5 RESISTANCES ACCORDING TO EC 10 5 1 Calculation principles 10 5 2 Design values of resistance for longitudinal shear force EC 10 5 3 Design values of resistance for transversal shear force EC 12 5 4 Design value for tensile force EC 13 5 5 Resistances for combined forces EC 13 6 APPLICATION 14 6 1 Limitations for application 14 6 1...

Page 3: ...y the pull component of the wire rope and the compression component formed by the steel boxes and the joint 1 DescRiptioN oF tHe sYsteM RVL wire rope loops manufactured by R Group Finland Oy are steel parts consisting of a high strength steel wire and a steel box RVL wire rope loops are installed to concrete elements before casting When the joint between concrete wall elements is loaded the longit...

Page 4: ...20 10 2 2 2 1 RVL 60N 60 236 170 160 36 20 5 40 RVL 80N 80 256 170 160 36 20 5 45 RVL 140N 140 310 170 160 36 20 5 50 1 according to SFS EN 12385 Thickness of the steel plate of the box is 0 5 mm 2 1 dImEnsIons And tolErAnCEs PICTURE 1 Dimensions of the RVL wire rope loop tAblE 1 DiMeNsioNs aND toLeRaNces oF tHe RVL wiRe Rope Loop 2 Dimensions and Materials ...

Page 5: ...ifiointi Oy 3 MaNUFactURiNg 2 2 mAtErIAls And stAndArds 3 1 mAnufACturIng mEthod 3 2 mAnufACturIng mArkIngs 3 3 QuAlIty Control 5 Part Material Standard Steel box 1 0330 SFS EN 10130 Wire rope high strength steel wire rope SE Zn SFS EN 12385 Compression sleeve 1 0046 SFS EN 10025 The steel box and the wire rope are zinc coated Zinced products are passivated with min 1 month of storage The steel is...

Page 6: ... MPa Distance between wire rope loop pairs must be according to section 6 1 1 6 The longitudinal shear capacities of the RVL wire rope loops are calculated according to Building Code Requirements for Structural Concrete ACI 318M 08 Capacities are calculated for static loads The calculations do not take into account cracks or deformations in the joint 4 ResistaNces accoRDiNg to aci 4 2 dEsIgn vAluE...

Page 7: ...ete strength in the joint element joint concrete is C25 30 cylinder strength 25 MPa cube strength 30 MPa Vrd kN m c c mm RVL 60N RVL 80N RVL 100N RVL 120N RVL 140N 250 46 8 46 8 44 3 38 4 33 9 300 39 0 39 0 36 9 32 0 28 2 350 33 4 33 4 31 6 27 4 24 2 400 29 3 29 3 27 7 24 0 21 2 450 26 0 26 0 24 6 21 3 18 8 500 23 4 23 4 22 2 19 2 16 9 550 21 3 21 3 20 1 17 5 15 4 600 19 5 19 5 18 5 16 0 14 1 650 ...

Page 8: ...MPa cube strength 30 MPa Design values for transversal shear force apply for one pair of RVL wire rope loops one wire rope loop on each side of the joint Distance between wire rope loop pairs must be according to section 6 1 1 bs mm NRd kN 70 3 1 4 3 dEsIgn vAluEs of rEsIstAnCE for trAnsvErsAl shEAr forCE ACI PICTuRE 3 Direction of transversal shear force tAblE 4 DesigN VaLUes oF ResistaNce FoR tR...

Page 9: ...ire rope loop on each side of the joint FRd kN RVL 60N 140N 4 2 Resistance of RVL wire rope loop joint for combined forces may be calculated according to equation in which VEd design value of longitudinal shear force VRd design value of resistance for longitudinal shear force NEd design value of transversal shear force NRd design value of resistance for transversal shear force FEd design value for...

Page 10: ...esented in the tables are resistances in ultimate limit state The resistance is defined by the weakest concrete in the joint element joint concrete 10 5 1 CAlCulAtIon prInCIplEs The longitudinal shear capacities of the RVL wire rope loops are calculated according to Eurocode EN 1992 1 1 chapter 6 2 5 5 2 dEsIgn vAluEs of rEsIstAnCE for longItudInAl shEAr forCE EC PICTuRE 5 Direction of longitudina...

Page 11: ...30 C30 37 C35 45 C40 50 250 54 55 57 58 300 47 48 49 50 350 41 42 43 44 400 37 38 39 40 450 34 35 36 37 500 31 33 34 35 550 29 31 32 33 600 28 29 30 31 650 26 27 28 29 700 25 26 27 28 750 24 25 26 27 tAblE 6 DesigN VaLUes oF ResistaNce FoR LoNgitUDiNaL sHeaR FoRce FoR wiRe Rope Loop RVL 60 N ...

Page 12: ... shear force apply for one pair of RVL wire rope loops one wire rope loop on each side of the joint Distance between wire rope loop pairs must be according to section 6 1 1 bs mm NRd kN C25 30 C30 37 C35 45 C40 50 70 2 6 2 8 3 0 3 2 5 3 dEsIgn vAluEs of rEsIstAnCE for trAnsvErsAl shEAr forCE EC tAblE 7 DesigN VaLUes oF ResistaNce FoR tRaNsVeRsaL sHeaR FoRce FoR wiRe Rope Loop RVL 60 N oNe wiRe Rop...

Page 13: ... 2 Resistance of RVL wire rope loop joint for combined forces may be calculated according to equation in which VEd design value of longitudinal shear force VRd design value of resistance for longitudinal shear force NEd design value of transversal shear force NRd design value of resistance for transversal shear force FEd design value for tensile force FRd design value of resistance for tensile for...

Page 14: ...stance Dmin mm center to center Cmax mm minimum width Bmin mm RVL 60 N 250 100 20 70 Resistances presented in tables 2 8 are calculated for static loads RVL wire rope loops are not designed to be used for lifting or as lifting loops Resistance of the RVL wire rope loop is defined by the weakest concrete in the joint element joint concrete The resistance calculations do not take into account cracks...

Page 15: ...s of the seam The recommended thicknesses of the seam are according to table 9 and picture 9 Wire rope loop Recommended thickness of the seam b mm RVL 60 N 70 90 Wire rope loop Diameter of the ribbed steel bar Øs mm RVL 60 N 12 6 2 1 ReiNFoRceMeNt oF tHe joiNt When using the RVL wire rope loops a vertical ribbed steel bar must always be installed to the joint according to picture 10 This ribbed st...

Page 16: ...used to transfer forces in the joint anchorage of the wire rope loop must be secured by overlapping the wire rope loop sufficiently with the reinforcement of the concrete element For wire rope loops RVL 60 N the greatest design value for tensile force is FRd 15 kN The anchorage of the wire rope loops must be designed for these forces when using design values for resistances presented in tables 2 8...

Page 17: ...ed to limit cracking of the seam or to tie elements together without defining the required force edge reinforcement of the element may be done according to principles presented in picture 12 Edge reinforcement 2 Ø10 and additional reinforcement according to picture 12 is recommended PICTuRE 12 Example of element edge reinforcement when not transferring forces ...

Page 18: ...t the factory after the concrete is hardened 18 7 1 AttAChmEnt to formwork 8 1 InstAllIng thE rvl wIrE ropE loops The RVL wire rope loop must be attached securely so it cannot move during casting of the concrete At the RVL wire rope loop the concrete must be compressed carefully The RVL wire rope loop cannot be vibrated The RVL wire rope loops may be fastened to formwork with nails or by magnets T...

Page 19: ...19 Technical Manual RVL N Single Wire Loop Box v16 5 2014 www repo eu Notes CREATE A NOTE ...

Page 20: ...for any kind of projects In our operations we comply with the ISO 9001 and 14001 stan dards R Group Finland Oy Head Office Katajanokankatu 6B 12 00160 Helsinki Finland Tel 358 0 20 722 9420 VAT No FI 2025044 5 www repo eu info repo eu linkedin rsteel R Group Baltic OÜ Lõõtsa 2B 11415 TALLINN Mob 372 578 396 76 OOO R Group 18A Bolshoj pr V O 199034 St Petersburg Russia Tel 358 0 20 722 9420 372 578 ...

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