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收稿日期: 2016-04-25
修回日期: 2016-05-11
网络出版日期: 2016-11-01
Numerical Simulation of Excavation Sequence of Heading of Singletube Doubledeck Tunnel Based on Solidfluid Coupling
Received date: 2016-04-25
Revised date: 2016-05-11
Online published: 2016-11-01
杨子奇 , 葛克水 , 李皓 . 基于流固耦合作用的单洞双层隧道导洞开挖顺序数值分析[J]. 隧道建设, 2016 , 36(10) : 1237 -1244 . DOI: 10.3973/j.issn.1672-741X.2016.10.012
The construction of a singletube doubledeck tunnel in Liulitun, Chaoyang District in Beijing is analyzed by numerical simulation and site monitoring data, so as to predict and control the construction risk. Some conclusions are drawn as follows: 1) The optimal heading excavation sequence is obtained by analyzing variation of stress field, displacement field and pore water pressure with/without consideration of water seepage action. 2) The influence of water seepage field on stress field and displacement field is studied. Finally, Some countermeasures are proposed.
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