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The purpose of this study is to clarify the structural performance of concrete-filled box section columns made of ultra-high strength steel (H-SA700B) assembled by undermatched welds. For this purpose..., we conducted experiments in which a constant axial force and repeated horizontal forces were applied to the top of a cantilever type column specimen. Experimental parameters include width-to-thickness ratio, axial force ratio and others. In all cases, a pair of specimens, undermatched and overmatched weld, was prepared. Based on the results, it is revealed that a concrete-filled box section column assembled by undermatched welds has the sufficient performance for practical use. Furthermore, the evaluation methods for short-term allowable strength and ultimate strength were proposed.続きを見る
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Mendeley出力
28_109_131