Steel Buildings in Europe

Title Appendix B Worked Example: Design of a truss node with gusset 29 of 44 5 - 108 Combination M + N Criterion to satisfy: M0 y 1,a,eff 1,a,Ed 1,a,eff 1,a,Ed x,Ed   f W M A N    with: A 1,a,eff effective area of cross-section eff,leg2 1,a, eff,leg1 1,a, 1,a,eff A A A   where A 1,a,eff,leg1 effective area relative to the “free” leg A 1,a,eff,leg2 effective area relative to the “connected” leg EN 1993-1-1 6.2.9.3 determination of the effective area of cross-section A 3,a,eff,leg1 No reduction because “free” leg in traction determination of the effective area of cross-section A 3,a,eff,leg2 2 1     = -0,120 buckling factor k  = 2,55 p  = 0,271   = 1 no reduction EN 1993-1-5 Table 4.2 EN 1993-1-5 4.4 (2) Verification 1,a 1,a,eff A A  (no reduction) 355 ; ) 134,99 max( M0 y 1 2 x,Ed         f  criterion satisfied Resistance of net cross-section We should satisfy: M0 1,a,net y 1,a,net,Rd 1,a,Ed  f A N N   EN 1993-1-1 6.2.3. (1) and (4) The net cross-sections considered are shown on the Figure B.23 1 1 2 2 2 Figure B.23 Net cross-sections of angle N1