Steel Buildings in Europe

Part 5: Joint Design 5 – 27 Shear resistance of gross section V Rd,g = M0 y,b v,wb 3  f A [Reference 8] where: A v,wb = A – 2 bt f + ( t w + 2 r ) t f but ≥ η h w t w for un-notched beam A v,wb = A Tee – bt f + ( t w + 2 r ) t f /2 for single notched beam A v,wb = t w ( e 1,b + ( n 1 –1) p 1 + h e ) for double notched beam η is a factor from EN 1993-1-5 (it may be conservatively taken as 1,0. National Annex may give an alternative value) A Tee is the area of the Tee section d nt is the depth of the top notch d nb is the depth of the bottom notch Shear resistance of net section V Rd,n = M2 u,b net wb, v, 3  f A [Reference 8] where: A v,wb,net = A v,wb – n 1 d 0 t w Block tearing resistance V Rd,b = M0 y,b nv M2 nt u,b 3 0,5   f A f A  [Reference 8] where: For a single vertical line of bolts, A nt =   0 2,b w 0,5 d t e  For a double vertical line of bolts, A nt =         0 2 2,b w 2 3 t e p d For a notched beam A nv =   0 1 1 1 1,b w ( 0,5) ( 1) d t e n p n     For an un-notched beam A nv =   0 1 1 1 w 1,b ( 1) ( 1) t e n p n d      M2 is the partial factor for the resistance of net sections.