Some Issues on Shield Type Selection in Sandy Stratum:  Case Study on TJSG-4 Bid Section on No. 3 Line of Xi&rsquo;an Metro

LIU Jinxiang; CAI Hui

doi:10.3973/j.issn.1672-741X.2015.S2.031

Tunnel Construction >

2015 , Vol. 35 >Issue S2: 171 - 175

DOI: https://doi.org/10.3973/j.issn.1672-741X.2015.S2.031

Some Issues on Shield Type Selection in Sandy Stratum:  Case Study on TJSG-4 Bid Section on No. 3 Line of Xi’an Metro

LIU Jinxiang ,
CAI Hui

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(Tunnelingdedicated Equipment Center, China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China)

Received date: 2015-05-07

Revised date: 2015-05-26

Online published: 2015-12-24

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Abstract

The shield boring difficulties and countermeasures are summarized, with the shield tunneling of TJSG-4 Bid section on No 3 Line of Xi’an Metro as an example. The main effective factor on shield selection and cutterhead cutting tool design goes to beating number larger than 45. The requirement for wearing resistance of cutterhead and cutting tool is much higher when shield boring in sandy stratum.

Key words： Xi’an Metro; sandy stratum; shield; selection

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LIU Jinxiang , CAI Hui . Some Issues on Shield Type Selection in Sandy Stratum:  Case Study on TJSG-4 Bid Section on No. 3 Line of Xi’an Metro[J]. Tunnel Construction, 2015 , 35(S2) : 171 -175 . DOI: 10.3973/j.issn.1672-741X.2015.S2.031

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