【摘要】 以三峡左岸水电站厂房为例,依托现行的抗震设计规范考虑混凝土材料的开裂,采用人工地震波生成技术和时程分析方法对整个地震过程中的厂房结构地震响应进行研究。结果表明,采用地震非线性时程分析,可较好地反映厂房结构在整个地震过程中的响应情况,包括应力、应变、加速度及裂缝的发展等,具有全过程仿真的特点。更多还原

【Abstract】 Hydropower houses have not only complex space structure but also complex bearing and operating conditions.As a special load,seismic shock can directly influence the design of hydropower houses.In this paper,on the base of the current codes,using artificial seismic wave and time-historic analytical method,seismic response of a large-scale hydropower house at dam toe was analyzed.During the calculation,concrete cracking was considered.It can be concluded that seismic nonlinear time-history method can analyze the seismic response of the hydropower house in the course of a seismic shock,including development of stresses,strains,accelerations,cracks,and so on.It has a whole emulation character.更多还原