梁端上フランジを基点としたせん断伝達機構に関する実験

概要

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New beam-end connections, designed to limit seismic damage to specific connection elements placed at the bottom flange of beam-ends, was proposed in the previous paper. This paper addresses the effects of shear-transfer-mechanism at the beam-end, specially the connection elements at the top flange. Four cyclic loading tests were carried out to investigate the shear-transfer-mechanism. It was found that the shear-transfer from beam-web to connection element was eased by the presence of rib-plate on the connection element at the top flange. On the other hand, shear-transfer was concentrated on the beam-end due to the absence of rib-plate. The concentration of shear-transfer caused out-of-plane deformation of top beam-flange and the decrease of plastic deformation of the specific connection element.
社団法人日本建築学会の論文
2006-05-30