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A coupled shear wall with concealed partitioned steel plates and concrete filled steel tube (CFST) boundary elements was proposed in this study. By experiment on two coupled shear wall specimens subjected to low cyclic loading, the seismic behavior of the coupled shear wall was investigated. The failure characteristics, load bearing capacity, hysteretic behavior, energy dissipation and strain distribution at the wall bottom section were analyzed. The experiment results show that addition of the concealed partitioned steel plates can greatly improve the bearing capacity and the energy dissipation, and enhance the stiffness to a certain extent. The coupled shear wall can give full play to the seismic efficiency when the steel pipe, I - shaped steel, steel plate and concrete wall work together to resist seismic action. A formula to calculate the bearing capacity of coupled shear wall with concealed partitioned steel plates and CFST boundary elements is proposed, and the results calculated by the formula agree well with the experimental results.
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