高カワンサイドボルトを用いた角形鋼管柱・H形はり接合部の構造特性 : 水平加力下での十字形部分骨組の弾塑性性状

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H shaped beam-to-box column connections have been ordinary fabricated by the welding method with interior diaphragms. In this method, there are some problems on their fabrication and structural behavior, because of the complication regarding the details of the welding connections. Therefore, the authors proposed a new bolted connecion with split tees and blind bolts, and have already understood the tensile behavior of the beam-to-box column connection. In this paper, the structural behaviors of four cruciform frame specimens using the new connection method were investigated experimentally. The test results were compared with a specimen with the ordinary diaphragms, and were analyzed by the box rahmen method that assumes a box rahmen for column section based on beam theory. From these discussions, the following conclusions were derived on condition that the beam-to-colmun connection is properly strengthened to diminish out-of-plane deformation of the column flange . a) The stiffness, the strength, and the deformation capacity of the specimens with the new connection are equivalent or superior to those of the specimen with the ordinary diaphragm. b) For this new connection, only local tensile deformation occures at the tensile part, because the stiffness of the compression side increases due to the tight-fastening of the split tee and the column flange by blind bolts. Therefore, local deformation affects little the frame deformation. c) Load and local displacement curves of the connection and the frame can be simulated generally by the box rahmen method.
社団法人日本建築学会の論文
1998-03-30

高カワンサイドボルトを用いた角形鋼管柱・H形はり接合部の構造特性 : 水平加力下での十字形部分骨組の弾塑性性状

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