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TW Catalogue EN Int. 03-2015

1303/2015 11 Edge and intermediate spacings Table 8 a1,t a1 a1 a1,c a2,t a2a2 a1 a1 a2a2 a2,c 5/6 Load-bearing capacity values WR-T ETA-12/0062 l Axial Shearing d1 mm 0° 45° 90° WR-T-9xL parallel with grain a1 5 45 (4+cos) × d 45 42 36 at right angles to grain a2 5 45 4 × d 36 36 36 end grain under load a1,t 80 mm 80 80 80 end grain not under a1,c 5 45 0o   30o 4 x d 36 - - load 30o<  90o (1+6sin)× d - 47 63 edge under load a2,t max. [(2+2sin) × d; 3d] 27 31 36 edge not under load a2,c 3 27 3 × d 27 27 27 WR-T-13xL parallel with grain a1 5 65 (4+cos) × d 65 61 52 at right angles to grain a2 5 65 4 × d 52 52 52 end grain under load a1,t 7 × d 91 91 91 end grain not under load a1,c 5 65 0o   30o 4 x d 52 - - 30o<  90o (1+6sin)× d - 68 91 edge under load a2,t max. [(2+2sin) × d; 3d] 39 44 52 edge not under load a2,c 3 39 3 × d 39 39 39  = force-grain angle / values in mm k,i= Angle of intersection (0°  k,i  90°) 90° 75° 60° 45° 30° 15° 0° WR-T-9xL parallel with grain a1 23 26 30 34 38 41 45 at right angles to grain a2 23 26 30 34 38 41 45 WR-T-13xL parallel with grain a1 33 38 43 49 54 60 65 at right angles to grain a2 33 38 43 49 54 60 65 Values not stated here can be found in Table 8, values in mm Intermediate spacings with crossed pairs of fasteners Table 9 k,1 k,2 Pilot drilling diameter: WR-T-9 = 5 mm WR-T-13 = 8 mm – Required minimum timber thicknesses must be taken into account. – All calculations must be verified and signed off by the planner in charge before the work is performed. Remarks 11. Technical documentation and data sheets WR Principles of design parallel with grain a1 545 (4+cos) × d 454236 at right angles to grain a2 5454 × d 363636 end grain under load a1,t 80 mm 808080 a1,c 545 (1+6sin)× d - 4763 edge under load a2,t max. [(2+2sin) × d; 3d] 273136 edge not under load a2,c 3273 × d 272727 parallel with grain a1 565 (4+cos) × d 656152 at right angles to grain a2 5654 × d 525252 end grain under load a1,t 7 × d 919191 a1,c 565 (1+6sin)× d - 6891 edge under load a2,t max. [(2+2sin) × d; 3d] 394452 edge not under load a2,c 3393 × d 393939 parallel with grain a1 23263034384145 at right angles to grain a2 23263034384145 parallel with grain a1 33384349546065 at right angles to grain a2 33384349546065

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