核电站反应堆厂房隔震研究  

Study on base-isolated nuclear power plant reactor structure

作　　者：谭平[1] 范世凯[1] 徐凯[1] 金建敏[1] 周福霖[1] 

机构地区：[1]广州大学减震控制与结构安全国家重点实验室培育基地,广东广州510405

出　　处：《广州大学学报（自然科学版）》2014年第6期28-35,共8页Journal of Guangzhou University:Natural Science Edition

基　　金：重点基础研究发展计划资助项目(2012CB723304);中国工程院学部重点咨询项目(2011-XZ-25);国家自然科学基金重大研究计划资助项目(91315301-07);长江学者和创新团队发展计划资助项目(IRT13057)

摘　　要：对核电站典型CPR1000堆型反应堆厂房应用隔震技术进行了系统的研究.针对反应堆底部的圆形筏基,进行了隔震支座的布置与选型.基于时程分析法,研究了核电站基础隔震效果,并建立了结构内部设备层的楼层反应谱.此外,文章研究了地震波加速度峰值、设备层所处标高及设备阻尼比对楼层反应谱的影响.研究结果表明,应用隔震技术后大大提高了核电站反应堆厂房的抗震安全储备.This paper systematically investigates the application of base-isolated technology on nuclear power plant reactor structure.Considering the circular raft of reactor structure,isolators are optimized and arranged for nuclear power plant reactor structure herein.Time-history analysis of the isolated nuclear power plant reactor structure is carried out and control effectiveness of base isolation of nuclear power plant reactor structure is evaluated.In addition,the floor response spectrum of the internal equipment in nuclear power plant reactor is set up and thus the floor response spectrum of base-isolated structure and base-fixed structure are compared.The effects of seismic intensity,height of the equipment and damping ratio of isolators to the response spectrum are investigated in this paper.Results show that base isolation technology can significandy increase seismic safety reservation.

关 键 词：核电站反应堆 基础隔震 楼层反应谱 时程分析 混合分析模型 

分 类 号：TL48[核科学技术—核技术及应用]