建筑结构学报2013,Vol.34Issue(4):91-98,8.
高轴压比下中高剪跨比双钢板-混凝土组合剪力墙抗震性能试验研究
Experimental study on seismic behavior of medium and high shear-span ratio composite shear wall with double steel plates and infill concrete under high axial compression ratio
摘要
Abstract
Quasi-static tests on four medium and high shear-span ratio composite shear walls with double steel plates and infill concrete under high axial compression ratio were conducted. The seismic performance and failure modes were observed under low cyclic lateral loads. Ductility, stiffness, bearing capacity, energy dissipation and other indicators were analyzed, and the effects of shear span ratio, axial compression ratio and distance to thickness ratio on seismic performance were studied. The results indicate that the failure modes of medium and high shear-span ratio specimens are the axial-flexural failure. Local buckling is more prone to occur with distance to thickness ratio of steel plate increased. Axial buckling is more significant. The range of buckling is closer to the bottom of the specimen. And the buckling development is more rapid with the increase of axial compression ratio. Stiffness and ultimate load are less affected by axial compression ratio and distance to thickness ratio, but the deformation capacity decreases obviously with the axial compression ratio increased. The hysteretic behavior is more stable with the shear span ratio higher and the axial load ratio lower. Energy dissipation increases rapidly with the increase of deformation, showing good seismic performance.关键词
双钢板-混凝土组合剪力墙/高轴压比/中高剪跨比/拟静力试验/抗震性能Key words
composite shear wall with double steel plates and infill concrete/ high axial compression ratio/ medium and high shear-span ratio/ quasi-static test/ seismic performance分类
建筑与水利引用本文复制引用
卜凡民,聂建国,樊健生..高轴压比下中高剪跨比双钢板-混凝土组合剪力墙抗震性能试验研究[J].建筑结构学报,2013,34(4):91-98,8.基金项目
国家自然科学基金项目(51178246). (51178246)