关键词: 装配式剪力墙, 低周反复试验, 抗震性能, T型边缘构件

Abstract: To better meet the thermal insulation requirements of prefabricated shear walls, a prefabricated self-insulating shear wall with T-shaped boundary members was proposed, which consists of T-shaped self-insulating boundary members, shear wall webs, and alveolar vertical joints. First, the seismic performance and failure mode of this prefabricated shear wall were studied through a cyclic loading test on the specimen of the prefabricated self-insulating shear wall with T-shaped boundary members. The test results indicate that the hysteretic curve of the prefabricated self-insulating shear wall with T-shaped boundary members is relatively full, and it has good ductility and energy dissipation capacity; its failure mode is the shear failure of the alveolar vertical joint. Based on the validation of the experimental data, a numerical model was used to analyze the efiects of difierent alveolar strengths on the overall performance of the shear wall. Based on the continuous link method, calculation formulas for the lateral stifiness and bearing capacity of the prefabricated self-insulating shear wall with T-shaped boundary members were proposed through a theoretical analysis. A comparison among the theoretical calculation values, experimental values, and simulation values shows that the theoretical calculation values are relatively accurate, which can provide a reference for the design of the prefabricated self-insulating shear wall with T-shaped boundary members.

Key words: prefabricated shear wall, cyclic loading test, seismic performance, T-shaped boundary membe