核电站用贮气罐抗震分析  

Anti-seismic analysis for air storage tank used in the nuclear power plant

作　　者：华君 任新 冯萍 

机构地区：[1]中船重工集团第七○三研究所无锡分部,江苏无锡214151

出　　处：《中国核电》2011年第4期366-371,共6页China Nuclear Power

摘　　要：采用有限元法,对台山核电站SBO柴油发电机组用贮气罐进行了结构抗震计算分析。介绍了贮气罐结构的力学建模、载荷条件和地震响应谱分析方法,计算得到了结构的固有频率、振型和地震载荷下的响应,并根据RCCM规范对结构在重力、内压、地震等多种载荷组合下的应力进行评定。结果表明,贮气罐的结构强度满足规范要求。计算结果为贮气罐的抗震设计提供了依据。This text calculates and analyses the structure of the air storage tank used for the SBO diesel generator set of Taishan nuclear power plant through finite element method,and simply introduces the mechanical modeling,loading condition and seismic response spectrum analyzing method for the structure,then get the natural frequency,vibration mode and response under seismic load of the structure through calculation.Evaluate the stress under the combined load such as gravity,internal stress,seism of the structure according to RCCM.The result shows that the structure intensity of the air storage tank meets the requirements of the specification.The calculating result gives the accordance for the seismic design of the air storage tank.

关 键 词：核电站 贮气罐 抗震 谱分析 应力评定 

分 类 号：TM623[电气工程—电力系统及自动化]