Numerical Analysis on Influence on Existing Railway Tracks and Drainage  Culverts Induced by Shield Tunneling

doi:10.3973/j.issn.1672-741X.2012.03.012

Tunnel Construction ›› 2012, Vol. 32 ›› Issue (3): 332-335.DOI: 10.3973/j.issn.1672-741X.2012.03.012

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Numerical Analysis on Influence on Existing Railway Tracks and Drainage Culverts Induced by Shield Tunneling

HUANG Shengwen, SHI Chenghua, PENG Limin, DING Zude, XIE Shunyi

(Central South University, Changsha 410075, China)

Received:2011-10-11 Revised:2012-04-17 Online:2012-06-20 Published:2012-07-09

Abstract

Abstract: The shield boring of twintube tunnels is dynamically simulated by means of finite element software MIDAS, with the boring of Luohanshan stationFuzhou Railway station section on No. 1 line of Fuzhou Metro as an example. The influence on the existing railway tracks and drainage culverts induced by shield boring is presented. The deformation curves of the railway tracks and drainage culverts are obtained. The calculation results show that the quantities of the trains, the tunnel grouting effect and the ground loss ratio have serious influence on the settlement of the railway tracks and drainage culverts. 

Key words: shieldbored tunnel, railway track, drainage culvert, numerical simulation, train load, ground loss, grouting

HUANG Shengwen, SHI Chenghua, PENG Limin, DING Zude, XIE Shunyi. Numerical Analysis on Influence on Existing Railway Tracks and Drainage Culverts Induced by Shield Tunneling[J]. Tunnel Construction, 2012, 32(3): 332-335.

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Numerical Analysis on Influence on Existing Railway Tracks and Drainage Culverts Induced by Shield Tunneling

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