コンクリート充填円形鋼管柱・鉄骨梁接合部局部の弾塑性性状に関する研究:－外ダイアフラム形式の実用荷重-変形関係モデル－

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This paper proposes a new practical model for a load-displacement relation for predicting the local tensile elasto-plastic behavior of concrete-filled circular steel tube column to steel beam moment connections using external diaphragms. The practical model is based on proposed formulations for simplifying the formulations for capacities and displacements of the previous model for a load-displacement relation. The previous method was developed by modeling a part of the tube wall with an external diaphragm as a grid beam with a tri-linear load-deformation relation. This research verifies the practical model by comparison with experiment results. The analytical results agree approximately with the experimental results up to large deformations.
日本建築学会の論文