Steel Buildings in Europe

Part 5: Joint Design 5 – 12 2.3 Checks for tying EN 1993-1-8 does not have a partial factor for structural integrity checks. In this publication  Mu has been used. A value of  Mu = 1,1 is recommended. 2.3.1 Resistance of the end plate in bending 1 1 1 1 1 m p 3 e p p p e F Ed n 1 There are three modes of failure for end plates in bending: Mode 1: complete yielding of the flange Mode 2: bolt failure with yielding of the flange Mode 3: bolt failure Basic requirement: F Ed ≤ min( F Rd,u,1 ; F Rd,u,2 ; F Rd,u,3 ) Mode 1 (complete yielding of the end plate) F Rd,u,1 =     mn e m n n e M    w Rd,u pl,1, w 2 8 2 [EN 1993-1-8, Table 6.2] Mode 2 (bolt failure with yielding of the end plate) F Rd,u,2 = m n n F M   t,Rd,u Rd,u pl,2, Σ 2 [EN 1993-1-8, Table 6.2] Mode 3 (bolt failure) F Rd,u,3 = t,Rd,u Σ F [EN 1993-1-8, Table 6.2] F t,Rd,u = Mu 2 ub γ k f A where: M pl,1,Rd,u = Mu u,p 2 eff p Σ 0,25 γ l t f M pl,2,Rd,u = M pl,1,Rd,u m = 2 2 0,8 2 3 w a t p     n = e min but n ≤ 1,25 m where e min = e 2