| CRD工法施工大跨浅埋隧道的数值模拟与分析 |
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| 引用本文： | 胡斌,周群利.CRD工法施工大跨浅埋隧道的数值模拟与分析[J].现代交通技术,2011,8(4):50-53. |
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| 作者姓名： | 胡斌 周群利 |
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| 作者单位： | 1. 江苏省交通科学研究院股份有限公司,江苏南京,210017
2. 上海市隧道工程轨道交通设计研究院,上海,200235 |
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| 摘 要： | 由于CRD(Cross Diaphragm)工法施工工序较多,支护结构复杂,为了提供可靠的初支设计参数,必须根据隧道要求、地质参数计算初支应力、应变。该文针对某CRD工法施工的隧道工程,运用有限元法进行受力分析,为隧道初支混凝土配筋设计提供依据。
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| 关 键 词： | 隧道工程 CRD工法 有限元法 大跨浅埋 |
Numerical Simulation and Analysis of Shallow Buried Large Span Tunnel Constructed with CRD Method |
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| Hu Bin,Zhou Qunli.Numerical Simulation and Analysis of Shallow Buried Large Span Tunnel Constructed with CRD Method[J].Modern Transportation Technology,2011,8(4):50-53. |
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| Authors: | Hu Bin Zhou Qunli |
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| Institution: | Hu Bin1,Zhou Qunli2(1.Jiangsu Transportation Research Institute Co.,Ltd.,Nanjing 210017,China,2.Shanghai Tunnel Engineering and Rail Transit Design and Research Institute,Shanghai 200235,China) |
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| Abstract: | As CRD method has many construction processes and supporting structure is complex,stress and strain of primary support structure need to be calculated to provide reliable design parameters based on tunnel requirements and geological parameters.In this paper FEA method is used to analyze stress status of a tunnel constructed with CRD method,the calculation results could be taken as basis for concrete reinforcement design of tunnel primary support. |
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| Keywords: | tunnel engineering CRD method FEA method large span and shallow buried |
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