Steel Buildings in Europe
Title 4.4 Worked Example – Angle Web Cleats 3 of 15 5 - 70 4.1. Recommended details Cleats 10 mm thick Length, h ac = 430mm > 0,6 h b , OK Unless noted otherwise, all references are to EN 1993-1-8 4.2. Checks for vertical shear 4.2.1. Bolt group resistance 4.2.1.1. Supported beam side Shear resistance of bolts Basic requirement: V Ed ≤ V Rd V Rd = 2 b 2 b v,Rd b ) ) ( (1 2 n n n F F v,Rd = M2 v ub f A For M20 8.8 bolts, F v,Rd = 3 10 1, 25 245 0, 6 800 = 94 kN For a single vertical line of bolts (i.e. n 2 = 1 and n 1 = 6), α = 0 β = 1 1 1 ( 1) 6 n n p z = 6 6 1 70 6 50 = 0,102 Thus V Rd = 2 2 (1 0 6 ) ( 0,102 6) 6 94 2 = 962 kN V Ed = 450 kN ≤ 962 kN, OK Bearing resistance of bolts on the angle cleats Basic requirement: V Ed ≤ V b,Rd V b,Rd = 2 hor,Rd b, b 2 b,ver,Rd b b 1 2 F n F n n α = 0 and β = 0,102, as above The vertical bearing resistance for a single bolt, F b,ver,Rd = M2 ac u,ac 1 b dt f k k 1 = min 2,8 1,7; 2,5 0 2 d e = 1,7; 2,5 22 min 2,8 40 = min 3,39; 2,5 = 2,5
Made with FlippingBook
RkJQdWJsaXNoZXIy MzE2MDY=