摘要
分别采用两种模型 ,代表隔震支座的非线性滞回恢复力特性 ,对基底隔震结构的动力反应进行了研究。利用Newmark法和四阶显式Runge -Kutta法 ,对一建筑物在隔震前、后的地震反应进行分析和比较。结果表明 :Wen微分滞回曲线可以较为准确地反应铅芯橡胶隔震支座的本构关系 。
In this paper, by using two kinds of models to represent the nonlinear hysteretic restoring-force character of the isolation bearings , dynamic reaction of base-isolation building are studied.The using Newmark method and Runge-Kutta method,earthquake reacting of a base isolation buildings is analyzed, and is compared with that of fixed base buildings. Analysis results indicate that differential equation model can represent hysteretic restoring-force character of the lead rubber isolation bearings exactly, and base isolation has obviously seismic isolation effect.
出处
《河北农业大学学报》
CAS
CSCD
北大核心
2002年第4期167-169,175,共4页
Journal of Hebei Agricultural University
