| 天津地铁联络通道冻结施工的数值分析 |
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| 引用本文： | 赵捷,任云芬,鲍鹏.天津地铁联络通道冻结施工的数值分析[J].河南大学学报(自然科学版),2007,37(4):434-437. |
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| 作者姓名： | 赵捷 任云芬 鲍鹏 |
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| 作者单位： | 河南大学,材料与结构研究所,河南,开封,475001;林州市第九建筑工程公司,河南,林州,456500;河南大学,土木建筑学院,河南,开封,475001 |
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| 基金项目： | 河南省科技攻关计划项目(496260015) |
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| 摘 要： | 采用通用有限元程序ANSYS,建立联络通道三维模型,对冻结施工过程进行三维数值分析,研究了冻土墙在设计冻结温度和厚度情况下的受力性能以及分步开挖对冻土墙和地面沉降的影响.结果表明,冻结法施工所采用的设计参数是安全的;分步开挖对地面沉降影响较小,对冻土墙底板、冻土壁和拱顶变形影响较大,其中冻土墙底板为开挖施工中结构的最不利部位,施工时应加强支护.
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| 关 键 词： | 地铁 联络通道 冻结法 三维数值分析 |
| 文章编号： | 1003-4978（2007）04-0434-04 |
| 修稿时间： | 2007-03-16 |
Numerical Simulation of Frozen Construction of a Connected Aisle in Tianjin Metro |
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| ZHAO Jie,REN Yun-fen,BAO Peng.Numerical Simulation of Frozen Construction of a Connected Aisle in Tianjin Metro[J].Journal of Henan University(Natural Science),2007,37(4):434-437. |
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| Authors: | ZHAO Jie REN Yun-fen BAO Peng |
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| Affiliation: | 1.Institute of Material and Construction, Henan University, Henan Kaifeng 475001, China; 2.Ninth Construction Engineering Company of Linzhou, Henan Linzhou 456500,China; 3 .School of Civil Engineering and Architecture, Henan University, Henan Kaifeng 475001, China |
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| Abstract: | The three-dimensional model for the connected aisle in Tianjin metro No.1 line is established to study the mechanical behavior of the frozen wall in design temperature and thickness as well as the influence of soil excavated inside the connected aisle step by step on the frozen wall and ground subsidence by using three-dimensional finite element numerical simulation method.The research demonstrates the safety of the design parameters;and the numerical analysis is dependable. |
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| Keywords: | metro connected aisle frozen method numerical simulation in three-dimensions |
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