鉄筋コンクリート平板のせん断剛性についての解析的検討 : その3.せん断剛性モデルの提案

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The purpose of this study is to grasp the influence of differences in modeling the constitutive law on the structural characteristics in elasto-plastic analysis of reinforced concrete (RC) panel elements and to propose a new shear stiffness model to be used in Finite Element Analysis. In part 1 and part 2 of the previous reports, the influence of the shear stiffness of concrete on the shear capacity of RC panels with inequable reinforcement ratios or with inequable combined stress ratios was described. Furthermore, the influences of the fixed axes model and the rotated axes model on the shear capacity of RC panels were discussed. In this report, first, a new shear stiffness model for the fixed axes model and for reversed cyclic loadings was proposed. Second, RC panel elements with inequable reinforcement ratios or with inequable combined stress ratios subjected to monotonic loadings were analyzed using the new model. Furthermore, on comparing the analytical results using the new model with analytical ones using other existing shear models and with experimental ones of other existing RC panel tests regarding the rotation of principal direction and the shear capacity, validity of the new model was confirmed. Lastly, the new model being included in the analytical program which was used for elasto-plastic analysis of RC panel elements subjected to reversed cyclic loadings, the analysis using the new model was applied to other existing tests of RC panel elements subjected to reversed cyclic loadings. The analytical results grasped well the observed test ones and it is concluded that the proposed model is adequate.
崇城大学の論文

鉄筋コンクリート平板のせん断剛性についての解析的検討 : その3.せん断剛性モデルの提案

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