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小净距地铁盾构重叠隧道施工影响的三维有限元分析
收稿日期: 2012-01-10
修回日期: 2012-08-29
网络出版日期: 2013-02-19
3D Numerical Analysis on Construction Influence of Smallspaced Overlapping Shieldbored Tunnels
Received date: 2012-01-10
Revised date: 2012-08-29
Online published: 2013-02-19
范恒秀 . 小净距地铁盾构重叠隧道施工影响的三维有限元分析[J]. 隧道建设, 2012 , 32(增刊1) : 1 -7 . DOI: 10.3973/j.issn.1672-741X.2012.z1.001
The overlapping shield bored section of Honglingzhong road stationLaojie stationShaibu road station section on Shenzhen Metro line 3 is 1 045 m.The Calculation simulation analysis is made on surrounding rock, supporting structure and excavation course of overlapped shield bored tunnel, by menas of ANSYS 3D finite element analysis software.The construction program of “construct down tunnel first and then the upper one” is reliable. The paper can provide references for similar projects in the future.
Key words: Metro; overlapping tunnel; small spacing tunnel; 3D finite element
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