Seismic performance test and numerical simulation of prefabricated hydrophobic rock wool board-filled shear wall
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초록
In view of the prefabricated shear wall structure, this paper puts forward a prefabricated integrated shear wall structure inwhich the concrete filled wall with hydrophobic rock wool board partition is poured, produced and installed together with thesolid wall limb. Based on the quasi-static test of four concrete double-leg shear walls with the same size, wall limb andreinforcement of coupling beam, the seismic performance of shear walls without filled and integrated whole filled is explored,and the characteristics of failure form, bearing and deformation capacity, stiffness, ductility and energy dissipation capacityof the walls are summarized. The experimental results show that the flexural shear failure occurs in the prefabricatedintegrated shear wall under horizontal reciprocating load. Compared with the unfilled wall component, the lateral stiffness andshear bearing capacity are obviously improved, and the seismic performance is better at the same time. Based on the ABAQUSanalysis software, the quasi-static test results are analyzed by numerical simulation and the hysteresis curve with goodagreement is obtained. According to the test results and the numerical simulation, a reasonable filled wall structure schemefor precast integrated concrete shear wall structure is put forward.
Abstract
In view of the prefabricated shear wall structure, this paper puts forward a prefabricated integrated shear wall structure inwhich the concrete filled wall with hydrophobic rock wool board partition is poured, produced and installed together with thesolid wall limb. Based on the quasi-static test of four concrete double-leg shear walls with the same size, wall limb andreinforcement of coupling beam, the seismic performance of shear walls without filled and integrated whole filled is explored,and the characteristics of failure form, bearing and deformation capacity, stiffness, ductility and energy dissipation capacityof the walls are summarized. The experimental results show that the flexural shear failure occurs in the prefabricatedintegrated shear wall under horizontal reciprocating load. Compared with the unfilled wall component, the lateral stiffness andshear bearing capacity are obviously improved, and the seismic performance is better at the same time. Based on the ABAQUSanalysis software, the quasi-static test results are analyzed by numerical simulation and the hysteresis curve with goodagreement is obtained. According to the test results and the numerical simulation, a reasonable filled wall structure schemefor precast integrated concrete shear wall structure is put forward.
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