Steel Buildings in Europe

Part 5: Joint Design 5 – 55 For F b,hor,Rd k 1 =         min 2,8 1,7; 1,4 1,7; 2,5 0 1 0 1,b d p d e α b =          ; 1,0 ; 4 1 3 ; 3 min u,b ub 0 2 0 2,b f f d p d e 4.2.1.2 Supporting beam side Basic requirement: V Ed  F Rd F Rd is the resistance of the bolt group [EN 1993-1-8, §3.7(1)] If ( F b,Rd ) max  F v,Rd then F Rd =  F b,Rd If ( F b,Rd ) min  F v,Rd  ( F b,Rd ) max then F Rd = n s ( F b,Rd ) min If F v,Rd ≤ ( F b,Rd ) min then F Rd = 0,8 n s F v,Rd Shear resistance of bolts F v,Rd is the shear resistance of one bolt F v,Rd = M2 v ub   f A [EN 1993-1-8, Table 3.4] where:  v = 0,6 for 4.6 and 8.8 bolts = 0,5 for 10.9 bolts A is the tensile stress area of the bolt, A s Bearing resistance of bolts on the angle cleats F b,Rd is the bearing resistance of a single bolt F b,Rd = M2 ac u,ac 1 b   dt f k [EN 1993-1-8, Table 3.4] where:  M2 is the partial factor for plates in bearing  For end bolts (parallel to the direction of load transfer)  b = min       ; 1, 0 ; 3 u,ac ub 0 1 f f d e  For inner bolts (parallel to the direction of load transfer)  b = min        ; 1, 0 ; 4 1 3 u,ac ub 0 1 f f d p