首页> 中文期刊> 《哈尔滨工业大学学报》 >开洞双钢板组合剪力墙抗震性能试验

开洞双钢板组合剪力墙抗震性能试验

             

摘要

为满足双钢板组合剪力墙在实际工程中的应用需求,完成了2片双钢板组合剪力墙的拟静力试验,研究了不开洞和带开洞的双钢板组合剪力墙在特定轴压比和往复水平荷载作用下的受力特征和抗震性能.研究结果表明:双钢板组合剪力墙能够充分发挥钢板与混凝土材料各自的优点,是一种性能优越的抗侧力构件;开洞虽降低了初始刚度和极限承载力,但提高了变形能力和耗能能力.通过大量数值分析,研究了洞口位置、洞口形状、洞口面积等参数对剪力墙抗震性能的影响,提出开洞组合剪力墙抗剪承载力折减率的简化公式,并对洞口构造要求提出建议.%In order to meet the need of concrete-filled double skin composite shear walls in construction, quasi-static testing of two concrete-filled double skin composite shear walls have been carried out, and analysis of their load bearing properties and seismic performance has been completed. The results show that the composite shear wall can give full play to both materials and is an anti-shear member with superior performance. Although opening reduces shear wall ' s bearing capacity and initial stiffness, it has good influence on the shear wall ' s deformation capacity and energy dissipation capacity. A large amount of numerical models have been established to analyze the influence of opening configuration parameters on the composite shear wall' s seismic behavior, including the position, the shape and the size of the opening. Based on the finite element analysis, formula for calculating the reduction coefficient of bearing capacity has been proposed, and the structure requirement of opening has been suggested and verified.

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