梁スカラップの有無が箱形断面柱に溶接接合されるH形鋼梁端部の力学的性状に及ぼす影響

概要

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When H-shaped steel beams are connected to box columns, it can be considered that bending moment capacities of beam webs are reduced, because the out-of-plane stiffnes of the column flange in a joint panel decreases as the width-to-thikness ratio of the column flange increases. On the other hand, the presence of scallops at a beam web brings partial loss of cross section at a beam end, and the beams with scallops might reach failure at an early stage. In this study, three-point bending tests using cross-shaped specimens of beam-to-column connections are performed, and finit element method analysis are carried out. The effect of beam scallops and the width-to-thikness ratio of the flange in a joint panel on mechanical behaiviors of the steel beam end are investigated.
社団法人日本建築学会の論文
1992-10-30