37 局部補強されたH形鋼柱の塑性変形能力

概要

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It is well known that plastic-rotation capacity of H-shaped steel member deteriorates due to local and/or lateral buckling. However, it is possible to increase the capacity if the buckling is prevented by partial reinforcement to that part of the member which has severe stress. In this paper, eight cantilever beam tests and six stub-column tests using H-shaped steel are carried out. In beam tests, the specimens have cover plate on both flanges or stiffener on the web. In stub-column tests, specimens have cover plate on both flanges or concrete between flanges, which have non-reinforcement part at both ends. Experimental parameters are reinforcement length from fixed end in beam tests and non-reinforcement length in stub-column tests. Based on the experimental results, the effects of reinforcement on the plastic-rotation capacity of H-shaped steel beam or stub-column are discussed.
一般社団法人日本建築学会の論文
1997-03-20