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收稿日期: 2015-05-07
修回日期: 2015-05-26
网络出版日期: 2015-12-24
Some Issues on Shield Type Selection in Sandy Stratum: Case Study on TJSG-4 Bid Section on No. 3 Line of Xi’an Metro
Received date: 2015-05-07
Revised date: 2015-05-26
Online published: 2015-12-24
刘金祥 , 蔡辉 . 砂性土层施工盾构选型应注意的问题——以西安地铁3号线TJSG-4标为例[J]. 隧道建设, 2015 , 35(S2) : 171 -175 . DOI: 10.3973/j.issn.1672-741X.2015.S2.031
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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