Steel Buildings in Europe
Part 5: Joint Design 5 – 57 For a double line of bolts: A nt = 0 2 ac 2 1,5 d t e p M2 is the partial factor for the resistance of net sections. 4.2.2.2 Supporting beam side e e e 1 1 1 1 1 Ed Ed Ed Ed 2 2 2 2 2 2 e e V V V V p p 1 2 1 Critical section in shear and bearing 2 Block shear – check failure by tearing out of shaded portion Basic requirement: V Ed ≤ V Rd,min V Rd,min = min( V Rd,g ; V Rd,n ; V Rd,b ) Shear resistance of gross section V Rd,g = M0 y,ac ac ac 1, 27 3 2 f h t Note: The coefficient 1,27 takes into account the reduction in shear resistance due to the presence of the nominal in-plane bending which produces tension in the bolts [9] . Shear resistance of net section V Rd,n = M2 u,ac v,net 3 2 f A A v,net = 1 0 ac ac t h n d Block tearing resistance V Rd,b = M0 y,ac nv M2 nt u,ac 3 0,5 2 f A f A A nt = 0 ac 2 0,5 d t e A nv = 0 1 1 ac ac ( 0,5) d t h e n M2 is the partial factor for the resistance of net sections.
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