隔震层参数设计探讨

Parameter design for base-isolated structures

对隔震设计中隔震层标准位移与阻尼比的合理设计进行了探讨,给出了铅芯橡胶支座阻尼比的理论计算公式,提出了依据设防烈度设计隔震层的思想.依据我国现有规范与规程,推导了隔震层位移反应的相关公式,探讨了支座标准位移与隔震层阻尼比的合理设计方法.

Reasonable design about displacement and damping ratio of base-isolated story was studied in this pa- per for seismic isolation design. The theoretical formula for damping ratio of lead rubber bearing was proposed, and the ideology of base-isolated-story design via earthquake fortification intensity was also introduced. Based on the national design code and specification, the corresponding formula for the displacement response was de- rived. Meanwhile the design method about base displacement and damping ratio of base-isolated story was inves- tigated in this study.