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 e = (P u / 2) ΔW eP uΔW i = M p θ (L yl )W iM pθL yl= External Work= Predicted ultimate uplift load= Distance which the load moves thru= Internal Work= Plastic moment capacity of plate,per unit length = F y Z= Angle through which YL rotates= Length of yield line, the lesser ofL w + πa <strong>and</strong> L s<strong>SEAoT</strong> State Conference November 6-8, 2008 Houston TX <strong>SEAoT</strong> - 61
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