3D Numerical Analysis on Construction Influence of Smallspaced  Overlapping Shieldbored Tunnels

doi:10.3973/j.issn.1672-741X.2012.z1.001

Tunnel Construction ›› 2012, Vol. 32 ›› Issue (增刊1): 1-7.DOI: 10.3973/j.issn.1672-741X.2012.z1.001

3D Numerical Analysis on Construction Influence of Smallspaced  Overlapping Shieldbored Tunnels

FAN Hengxiu

（The 1st Engineering Co., Ltd., China Railway First Group, Xi’an 710054, China）

Received:2012-01-10 Revised:2012-08-29 Online:2012-11-20 Published:2013-02-19

Abstract

Abstract:

The overlapping shield bored section of Honglingzhong road stationLaojie stationShaibu 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

FAN Hengxiu. 3D Numerical Analysis on Construction Influence of Smallspaced  Overlapping Shieldbored Tunnels[J]. Tunnel Construction, 2012, 32(增刊1): 1-7.

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3D Numerical Analysis on Construction Influence of Smallspaced  Overlapping Shieldbored Tunnels

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