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TW Catalogue EN Int. 03-2015

1103/2015 11 WR Principles of design Load-bearing capacity values WR-T ETA-12/0062 lef = actual thread length in structural component hmin = minimum height of structural component – Values F1,Rk apply to the relevant anchoring length lef of the thread. – Connection geometry as shown in the drawings must be complied with. – Calculation of design values as shown in the box to the left of the tables. – All calculations must be verified and signed off by the planner in charge before the work is performed. Remarks 3/6 Shearing joint, half thread length per structural component Table 4 Gross density k [kg/m3] 350 380 410 430 450 WR-T-9 Shearing FV,Rk [kN] 4,9 5,1 5,3 5,4 5,5 WR-T-13 12,1 12,6 13,1 13,4 13,7 Shearing connection with steel plate Table 5 Insertion depth: the entire surface of the head must rest in the borehole in the steel plate dp = steel plate thickness (net cross-section  5 mm) – without precise verification NB: steel/timber connections should only be planned and carried out by skilled specialist firms! Gross density k [kg/m3] 350 380 410 430 450 WR-T-13xL[mm] 400 lef [mm] 380 hmin [mm] 280 Pull-out resistance from timber F1,Rk [kN] 45,1 48,1 51,1 53,1 55,1 500 480 350 56,9 60,8 64,6 67,1 69,6 600 580 420 68,8 73,5 78,1 81,1 84,1 700 680 490 80,6 86,1 91,5 95,1 98,6 800 780 570 92,5 98,8 105,0 109,1 113,1 900 880 640 104,4 111,4 118,4 123,0 127,6 1000 980 710 116,2 124,1 131,9 137,0 142,1 Tensile failure of fastener F2,Rk [kN] 41,3 Gross density k [kg/m3] 350 380 410 430 450 WR-T-9xL[mm] 250 lef [mm] 105 hmin [mm] 191 m [mm] 95 Pull-out resistance from timber F1,Rk [kN] 17,1 18,3 19,4 20,2 20,9 300 130 226 113 21,2 22,6 24,0 25,0 25,9 350 155 261 131 25,3 27,0 28,7 29,8 30,9 400 180 297 148 29,3 31,3 33,3 34,6 35,9 450 205 332 166 33,4 35,7 37,9 39,4 40,8 500 230 368 184 37,5 40,0 42,5 44,2 45,8 Buckling of fastener F2,Rk [kN] 20,2 20,7 21,1 21,3 21,5 Gross density k [kg/m3] 350 380 410 430 450 WR-T-13xL[mm] 400 lef [mm] 180 hmin [mm] 297 m [mm] 148 Pull-out resistance from timber F1,Rk [kN] 42,7 45,6 48,4 50,3 52,2 500 230 368 184 54,5 58,3 61,9 64,3 66,7 600 280 438 219 66,4 70,9 75,4 78,3 81,2 700 330 509 254 78,3 83,6 88,8 92,3 95,7 800 380 580 290 90,1 96,3 102,3 106,3 110,2 900 430 650 325 102,0 108,9 115,7 120,2 124,7 1000 480 721 361 113,8 121,6 129,2 134,2 139,2 Buckling of fastener F2,Rk [kN] 44,5 45,3 46,1 46,6 47,0 The main purlin must have an adequate trunnion bearing and be torsional load-bearing. Transverse tensile stress must be verified separately. l Joining main/secondary purlins Table 6 M =1,3 Fv,Rd = Fv,Rk . kmod M M (GL)=1,25 M1=1,3 M2=1,3 F1,Rk . kmod M1 F2,Rk M2 Fv,Rd =min ( ) M1(GL)=1,25 M1=1,3 M2=1,1 F1,Rk . kmod M1 F2,Rk M2 Fv,Rd =min ( ) M1(GL)=1,25 Force-grain angle:  = 90° 11. Technical documentation and data sheets Gross density k [kg/m3] 350380410430450 4,95,15,35,45,5 WR-T-1312,112,613,113,413,7 Gross density k [kg/m3] 350380410430450 45,148,151,153,155,1 50048035056,960,864,667,169,6 60058042068,873,578,181,184,1 70068049080,686,191,595,198,6 80078057092,598,8105,0109,1113,1 900880640104,4111,4118,4123,0127,6 1000980710116,2124,1131,9137,0142,1 Gross density k [kg/m3] 350380410430450 17,118,319,420,220,9 30013022611321,222,624,025,025,9 35015526113125,327,028,729,830,9 40018029714829,331,333,334,635,9 45020533216633,435,737,939,440,8 50023036818437,540,042,544,245,8 Buckling of fastener F2,Rk [kN] 20,220,721,121,321,5 Gross density k [kg/m3] 350380410430450 42,745,648,450,352,2 50023036818454,558,361,964,366,7 60028043821966,470,975,478,381,2 70033050925478,383,688,892,395,7 80038058029090,196,3102,3106,3110,2 900430650325102,0108,9115,7120,2124,7 1000480721361113,8121,6129,2134,2139,2 Buckling of fastener F2,Rk [kN] 44,545,346,146,647,0

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