volume 9, issue 5, P419-444 2009
DOI: 10.12989/scs.2009.9.5.419
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O. Ozgur Egilmez, Deniz Alkan, Timur Ozdemir

Abstract: Flange and web local buckling in beam plastic hinge regions of steel moment frames can prevent beam-column connections from achieving adequate plastic rotations under earthquake-induced forces. Reducing the flange-web slenderness ratios (FSR/WSR) of beams is the most effective way in mitigating local member buckling as stipulated in the latest seismic design specifications. However, existing steel moment frame buildings with beams that lack the adequate slenderness ratios set forth for new buildings are vulner…

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