| 近接隧道施工工序的数值模拟研究 |
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| 引用本文： | 刘传利,漆泰岳,谭代明,琚国全. 近接隧道施工工序的数值模拟研究[J]. 隧道建设, 2009, 29(1): 50-53 |
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| 作者姓名： | 刘传利 漆泰岳 谭代明 琚国全 |
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| 作者单位： | 西南交通大学土木学院 |
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| 摘 要： | 结合广州地铁六号线昌沙区间隧道，采用三维数值模拟方法，通过模拟上下台阶法施工过程，对比分析了临时仰拱的效果及右线施工对左线和地表沉降的影响，介绍了地表沉降、受力、位移及塑性区的发展情况，揭示了临时仰拱的作用和近接隧道施工对地表沉降和先行隧道的不利影响，为工程施工方案制定提供了参考依据。
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| 关 键 词： | 浅埋隧道近接施工地表沉降位移塑性区 |
| 收稿时间： | 2008-07-24 |
| 修稿时间： | 2008-07-28 |
Numerical Simulation of Construction Procedure of Adjacent Tunnels |
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| LIU Chuanli,QI Taiyue,TAN Daiming,JU Guoquan. Numerical Simulation of Construction Procedure of Adjacent Tunnels[J]. Tunnel Construction, 2009, 29(1): 50-53 |
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| Authors: | LIU Chuanli QI Taiyue TAN Daiming JU Guoquan |
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| Affiliation: | School of Civil Engineering, Southwest Jiaotong University |
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| Abstract: | Taking the construction of Changsha Tunnel on No.6 Line of Guangzhou Metro as an example,the authors simulate the construction procedure of bench method excavated tunnel by means of 3D numerical simulation.Then,the authors comparatively analyze the effect of temporary invert and the influence of the construction of the right tube on the right tube and the ground surface settlement and present the trend of ground surface settlement,stressing,displacement and plastic zone in right tube constructing.The analys... |
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| Keywords: | shallow-buried tunnel adjacent construction ground surface subsidence displacement plastic zone |
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