62 せん断力と軸力が比例して変動する繰返し載荷を受ける角形鋼管柱の終局挙動に関する研究

概要

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This paper describes ultimate behavior of beam-column which was made of a cold-rolled steel square tube under proportionally varying axial and lateral loads. Experimental variables were width-thickness ratio of section, ratio of axial force to lateral force. Main findings were as follows. 1) Under the tension axial force, the deformation of local buckling section is small. Therefore, the high bending strength is demonstrated. According to this high strength and P-δ effect, the specimen, under tensile force, has high lateral load-carrying capacity. 2) Bending strength of the as-rolled tube which has a greater ratio of axial force to lateral force exceeds theoretical bending ultimate strength which calculated using material tensile strength.
一般社団法人日本建築学会の論文
1998-03-20