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某核电厂泵房基坑边坡开挖支护数值模拟分析
引用本文:胡勐乾,朱秀云,纪忠华,路雨,孙锋. 某核电厂泵房基坑边坡开挖支护数值模拟分析[J]. 核安全, 2014, 0(4): 30-33
作者姓名:胡勐乾  朱秀云  纪忠华  路雨  孙锋
作者单位:环境保护部核与辐射安全中心;
基金项目:科技部国家软科学研究计划资助项目,项目编号2013GXS4B075
摘    要:本研究对象为某核电厂取水泵房基坑边坡。根据边坡设计的开挖支护方案,采用ANSYS有限元数值模拟软件,对边坡的开挖支护过程进行了仿真数值模拟。模拟结果表明,在边坡采用深搅桩加固、支护桩、预应力锚索等工程措施后,上台边坡和基坑边坡开挖后引起的位移和应力均较小,边坡处于稳定状态。

关 键 词:边坡  开挖支护  数值模拟  ANSYS

Numerical Simulation of Excavation and Supporting of Pit Slope of the Pumproom in XNPC
HU Mengqian,ZHU Xiuyun,JI Zhonghua,LU Yu,SUN Feng. Numerical Simulation of Excavation and Supporting of Pit Slope of the Pumproom in XNPC[J]. Nuclear Safety, 2014, 0(4): 30-33
Authors:HU Mengqian  ZHU Xiuyun  JI Zhonghua  LU Yu  SUN Feng
Affiliation:(Nuclear and Radiation Safety Center, MEP, Beijing 100082, China)
Abstract:The research simulates the excavation and supporting of pit slope of the pumproom in XNPC. According to the designing of excavation and supporting plan of slope,the numerical simulation of excavation and supporting of pit slope is conducted using the ANSYS finite element numerical simulation software. The simulation results show that, the displacement and stress caused by the excavation of above stage slope and pit slope are both small after taking some measures,including deep mixing pile reinforcement,retaining piles and prestressed anchor cable. Thus the slope is steady.
Keywords:slope  excavation and supporting  numerical simulation  ANSYS
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