土-结构动力相互作用对隔震结构的影响分析

摘要

结合一个实际工程,分析了该结构在隔震加固前后及是否考虑土-结构动力相互作用共4种情况,得出了各种情况下结构的周期、层间剪力、楼层位移、隔震支座性能、地震能量输入与结构能量反应的变化等,并得出了一些结论.%In this paper we study four condition with a structure which is wrecked in the wenchuan-earthquake. ①unconsidering soil-structure dynamic interaction before strengthening. ② considering soil-structure dynamic interaction before strengthening. ③ unconsidering soil-structure dynamic interaction after base isolated strengthening. ④considering soil-structure dynamic interaction after base isolated strengthening. We get some results about period, story shear, story displacement, story acceleration, shear of vibration cushion, displacement of vibration cushion and hysteretic characteristics of vibration cushion.