Steel Buildings in Europe

Title 4.4 Worked Example – Angle Web Cleats 11 of 15 5 - 78 4.2.5. Local stability of the notched beam Not applicable because it is un-notched 4.3. Checks for tying 4.3.1. Angle cleats and bolt group resistance 4.3.1.1. Resistance of the angle cleats in bending Basic requirement: F Ed ≤ F Rd Tension bolt group F Ed   Rd,u,3 Rd,u,2 Rd,u,1 Rd , , min F F F F  The tying resistance for Mode 1, F Rd,u,1 is given by: F Rd,u,1 =     mn e m n n e M    w Rd,u pl,1, w 2 8 2 Σ l eff = 1A 1 1A ( 1) 2 e n p   e 1A = e 1 but ≤ 2 2 ) 0,5( 0 3 w d r t p    2 0,5(109 9 2 11) 22     = 50 mm  e 1A = 40 mm p 1A = p 1 but ≤ 0 3 w 2 r d t p    0 3 w 2 r d t p    = 109 9 2 11 22     = 100 mm  p 1A = 70 mm Σ l eff = 1A 1 1A ( 1) 2 e n p   = 2 40 ( 6 1) 70    = 430 mm M pl,1,Rd,u = Mu u,ac 2 f eff,1 Σ 0, 25  l t f = 6 2 10 1,1 430 0, 25 430 10      = 4,2kNm m = 2 2 2 0,8 ac 3 w r t p t      = 2 109 9 2 10 2 0,8 11       = 31 mm 9,25 4 37 4 w w    d e mm n =   e m ;1, 25 min 2 =   min 40;39 = 39 mm