Wind Design Considerations for Steel Joists and Joist Girders - SEAoT
Wind Design Considerations for Steel Joists and Joist Girders - SEAoT
Wind Design Considerations for Steel Joists and Joist Girders - SEAoT
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Yield Line Analysis Using Virtual WorkW i + W e = 0(P u / 2) Δ -M p θ (L yl ) = 0But since tan θ = θ <strong>for</strong> small angles, θ = Δ / aSolving <strong>for</strong> P u gives:P u = 2 M p L yl / aAssumption of a = 2.3 t provides reasonablygood prediction of ultimate uplift strength ofjoist bearing seat<strong>SEAoT</strong> State Conference November 6-8, 2008 Houston TX <strong>SEAoT</strong> - 62