一定引張軸力を受ける露出柱脚の抵抗機構と復元力特性モデル

概要

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An anchor-bolt-yield-type column base shows slip-type restoring force characteristics. The column base subjected to constant axial and cyclic horizontal forces shows more complicated characteristics. An experimental study on the column-bases under constant axial-force and cyclic bending was carried out. The following conclusions were obtained from the loading tests; 1) Three types of resistant mechanisms of the column-base under constant axial-force were classified to evaluate the strength and the elastic rotational stiffness. 2) In case of tensile axial-force N=57(kN), the restoring force characteristics of the column-base were obtained combined all types of the resistant mechanisms. 3) In case of tensile axial-force N=117(kN), the restoring force characteristics became perfectly elasto-plastic curves without slip behavior.
社団法人日本建築学会の論文
2009-03-30