AXIAL-SHEAR-FLEXURE INTERACTION モデルによる鉄筋コンクリート造両側袖壁付き柱の荷重変形関係の評価

摘要

Methods of applying Axial-Shear-Flexure Interaction (ASFI) Model to evaluation of load-displacement relations of reinforced concrete columns with wing walls on both sides are presented. Two approaches are compared: one is based on accumulating divided section model and the other on a monolithic section model. In the first model, the member section is divided into the wall part with the total member depth and the residual column part, and each part is analyzed based using ASFI model and the lateral resistance is calculated as sum of the two parts. In the latter model, the flexural analysis is carried out as a single component based on the ASFI model, while considering compatibility of shear deformations of the wall and the column components to calculated the lateral resistance. Analytical results are compared with experimental data presented in other papers and also with flexural analyses.%本研究ではAxial-Shear-Flexure Interaction (ASFI) modelを袖壁付き柱に適用する手法を検討した。壁と柱の断面を縦（壁長さ）方向に分割してそれぞれにASFIModelを適用して単純累加した場合（分割累加型）に加えて，袖壁付き柱を一体化して曲げ解析および柱と壁のせん断変形の適合条件を考慮したASFIModel（一体型）を提案して，既往の実験結果による袖壁付き柱の荷重一変形関係と比較し，以下を明らかにした。