Abstract
Based on the existing problems in project practice, such as the difficulty in controlling the quality of rebar splicing by grout-filled coupling sleeve, the modular self-insulated concrete shear wall structure system was innovatively proposed.Through the pseudo-static test in-plane of 9 pieces of shear wall and the pseudo-static test of 2 coupling beams, the cooperative performance of multiple spliced shear wall and the seismic performance of assembled self-insulated shear wall and coupling beam were studied, the calculation formula of flexural capacity of self-insulated shear wall and coupling beam was verified.The test results indicated that the multiple spliced shear wall has good cooperative performance. Under the medium axial pressure ratio, the self-insulated shear wall has good seismic performance. The flexural capacity and displacement ductility ratio of the self-insulated beam are similar to the solid beam.At the same time, some suggestions on improving the ductility of self-insulated shear wall under high axial pressure ratio are put forward.The related results can provide the basis for the application of the structure system.
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