| 青岛清江路站隧道施工开挖方法的数值模拟与分析 |
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| 引用本文： | 吉香宇,岳祖润,孙铁成.青岛清江路站隧道施工开挖方法的数值模拟与分析[J].国防交通工程与技术,2013(1):19-23. |
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| 作者姓名： | 吉香宇 岳祖润 孙铁成 |
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| 作者单位： | 石家庄铁道大学土木工程学院 |
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| 摘 要： | 依托于青岛地铁清江路站的实际工程,利用ABAQUS有限元分析软件,针对所选地铁站的地质及结构特点,建立浅埋暗挖大跨地铁车站动态开挖的力学模型,数值分析表明模拟隧道施工开挖与支护过程应符合现场实际工况、应反映现场预留的毛洞长度。对今后用ABAQUS有限元软件模拟隧道动态开挖时准确反映施工力学行为具有指导和借鉴意义。
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| 关 键 词： | 隧道 开挖 ABAQUS 围岩 应力释放 沉降变形 毛洞间距 |
The Numerical Simulation and Analysis of the Tunnel-Excavating Method for the Qingjiang Road Station in Qingdao |
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| Ji Xiangyu,Yue Zurun,Sun Tiecheng.The Numerical Simulation and Analysis of the Tunnel-Excavating Method for the Qingjiang Road Station in Qingdao[J].Traffic Engineering and Technology for National Defence,2013(1):19-23. |
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| Authors: | Ji Xiangyu Yue Zurun Sun Tiecheng |
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| Institution: | (College of Civil Engineering,Shijiazhuang Tiedao University,Shijiazhuang 050043,China) |
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| Abstract: | With the real project of the Qingjiang Road Station of the Qingdao Subway taken into account,the finite element analysis software of ABAQUS used,and the geological and structural characteristics of the selected subway station aimed at,a mechanical model for the dynamic excavation of a shallow-depth undercut tunnel of the large-span subway station is established in the paper.The results of the numerical analysis show that the simulated excavation and support conditions of the tunnel are consistent with the actual conditions and they truly reflect the length of the hairy hole reserved at the site.The paper is of useful guiding and referential importance in accurately reflecting the mechanical behavior of the construction when the dynamic excavation of a tunnel is simulated with the finite element software of ABAQUS in the future. |
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| Keywords: | tunnel excavation ABAQUS surrounding rock stress release settlement-caused deformation space between hairy holes |
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