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Jianxing Sun,Mengyao Ci,Guangda Xu,Rucheng Wang,Weibin Ni,Zongmei Xu,Shao-Jie Wang 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.5
To increase the assembly construction efficiency of low-rise and multi-story buildings in rural areas, the precast shear wall for RC composite column confined uniform hollow panels was designed in this paper. The seismic performance and failure mechanism of the structure are studied by combining low cyclic load test with finite element and theoretical analysis. The study found that the connection between the components is safe. The structure has three progressive failure processes that are the interaction stage, composite column constrained dense column work stage and weak framework stage. The structure has good bearing and capacity of energy dissipation, and the ductility coefficient of the specimen is 2.89. In addition, the finite element model is established based on ABAQUS, and the damage evolution process of the structure is visually represented by the damage nephogram. In combination with test and simulation, calculation methods of shear capacity of the shear wall are established. The ratio of test value to calculated value in the interaction stage and weak framework stage is 1.14 and 1.06 respectively. The calculation method is reliable and has clear physical significance. The study can provide a reference for the application in low-rise and multi-story buildings.
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