Numerical Simulation of Seismic Performance of Prefabricated Vertical Joint Shear Walls
In order to analyze the effect of vertical joints on the seismic performance of shear structures,virtual simulation models of vertical joint shear walls of different prefabricated structures were established and the accuracy of the models was verified.The skeleton curve of vertical joint shear walls and the stress distribution of reinforcement bars at the bottom section of the walls were analyzed.The results show that under the same displacement conditions,the order of load levels of the three prefabricated vertical joint shear walls is as follows:specimen 1 with weak connection+strong wall limb<specimen 2 with weak connection+strong wall limb+anchor plate<specimen 3 with anchor plate exten-ding into the shear wall at the notch,that is,the structural type with anchor plate extending into the shear wall at the notch has stronger bearing characteristics.The structural type of shear wall with anchorage plate extending into the concave has weak ductility,and the type of shear wall with weak connection and strong limb has stronger ductility.Under the same conditions,the maximum strain of the anchorage plate extending into the shear wall at the notch of specimen 3 is the largest.
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