摘要
非基岩厂址的地震安全与适应性是核安全关注的重点之一.选择AP1000标准设计中6类场地作为典型场地条件,采用复频响应方法和黏性边界,针对某核岛厂房结构开展土-结构相互作用地震反应分析,对比了不同场地条件下楼层谱的特点.结果表明,核岛厂房在岩类场地上的地震反应区别不大,而在岩土类场地条件下则变化显著;场地条件对核岛结构水平方向地震响应的影响明显大于对其竖向反应的影响;不同场地条件下的土-结构相互作用效应对核岛结构地震响应的影响较为复杂,对不同频段的影响有所不同.
Seismic safety and adaptability of Non-bedrock nuclear plant site are the key concerns of nuclear safety researchers.Seismic analyses of a nuclear island building considering soilstructure interaction effect were performed using complex frequency response method and viscous boundary.The soil profiles of six typical sites in AP1000 standard design including three rock sites and three soil sites were used in these analyses.Comparing the characteristics of floor response spectrum(FRS)under different site conditions,the results show that the seismic response of the nuclear island building are rarely different for the rock sites,but varied significantly for soil sites.The effect of soil-structure interaction on horizontal seismic response of the nuclear plant structure is significantly larger than that on vertical direction.The effect of soil condition on seismic response of the nuclear plant structure are complex in terms of frequency contents.
作者
唐晖
周国良
韩治
TANG Hui;ZHOU Guoliang;HAN Zhi(Nuclear and Radiation Safety Center,Ministry of Ecology and Environment,Beijing 100082,China)
出处
《应用基础与工程科学学报》
EI
CSCD
北大核心
2020年第6期1507-1518,共12页
Journal of Basic Science and Engineering
基金
国家自然科学基金项目(51608222)
国家科技重大专项课题(2013ZX06002001-9)
国家重点研发计划课题(2017YFC1500804)
关键词
核岛厂房
复频响应
场地条件
黏性边界
土-结构相互作用
地震反应
nuclear island building
complex frequency response method
site condition
viscous boundary
soil-structure interaction
seismic response
