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对阻尼填充墙砌体单元与框架柱的相互作用过程、阻尼填充墙的抗侧力及耗能机理、阻尼填充墙对框架梁的作用、填缝措施的作用等进行分析,揭示阻尼填充墙的工作机理,给出阻尼填充墙的破坏形态;在此基础上,用两根串联有弹簧-黏壶单元的斜撑表征阻尼填充墙对框架的刚度和耗能贡献,提出阻尼填充墙的简化力学模型——双斜撑模型;通过理论推导,得出阻尼填充墙双斜撑模型相关参数的计算公式,并采用该模型对框架阻尼填充墙进行水平循环荷载作用下的滞回性能分析,分析结果表明,阻尼填充墙双斜撑模型的分析结果与试验结果及仿真结果吻合良好。
The interaction between the damped masonry unit and the frame column, the lateral resistance and energy dissipation mechanism of the damped wall, the effect of the damped wall on the frame beam and the effect of the caulking are analyzed. The mechanism of damped filling wall is given. Based on this, the stiffness and energy consumption contribution of the damped infilled wall to the frame are characterized by two diagonal bracing elements connected in series with a spring-viscous pot unit. The simplified mechanics of damped infilled walls Model - double bracing model. Through the theoretical derivation, the formula for calculating the relevant parameters of the damping double wall with bracing model is obtained and the hysteretic behavior of the frame with damping infill walls under horizontal cyclic loading is analyzed. The results It is shown that the analysis results of the double-bracing model with damped infilled walls are in good agreement with the experimental and simulation results.