Numerical simulation of reinforced concrete joints based on OpenSees
The post-earthquake investigation and test results show that the failure or failure of RC joints may be an important reason for the large displacement or overall collapse of the structure.In order to predict structural deformation,a numerical model of RC joints is established based on OpenSees analysis platform.The model can effectively consider bending deformation,bond-slip deformation of longitudinal bars and shear deformation of joint core.The numerical simulations of RC joints quasi-static tests show that the established model can accurately simulate the response of force-displacement hysteresis curve.
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