钢筋混凝土框架结构地震破坏的研究

Research on damage to RC frame subjected to seismic loading

本文对钢筋混凝土框架的地震破坏进行了计算机模拟试验研究 ,指出了破坏过程中结构瞬态动力特性的变化特征 ,研究了影响瞬态动力特性的若干因素 ,明晰了结构整体耗能能力的大小与结构周期的延长之间的关系。作者认为结构瞬态动力特性和地震动的特性是影响结构破坏过程的主要因素 。

The research on damage to RC frame subjected to seismic loading is presented. During the process of damage, the extension of instantaneous period, the change of instantaneous mode shape are studied. The relation between the ability of dissipated hysteretic energy and the extension of instantaneous period is determined. The percent of damage components characterizes the collapse of structure, and the damage process is affected by the structure and earthquake wave characters mainly. It is indicated that damage simulation makes up a vast range of prospects for its application.