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收稿日期: 2014-08-06
修回日期: 2014-11-15
网络出版日期: 2014-12-17
Design and Application of Cutterhead of Shield Boring in Waterrich Sandy Gravel Strata in Chengdu
Received date: 2014-08-06
Revised date: 2014-11-15
Online published: 2014-12-17
张家年 , 胡玉娟 . 成都富水砂卵石地层盾构刀盘设计及应用[J]. 隧道建设, 2014 , 34(12) : 1202 -1206 . DOI: 10.3973/j.issn.1672-741X.2014.12.014
Problems, including serious cutterhead wearing, cutterhead clogging and ground surface settlement, occur during the EPB shield boring in waterrich sandy gravel strata in Chengdu. As a result, the design of the cutterhead is optimized in terms of cutterhead structure, cutter arrangement, antiwearing protection and ground conditioning. The shield with the optimized cutterhead achieves longdistance boring and good ground surface settlement control effect. The paper can provide reference for the design of the cutterheads of shields boring in similar strata in the future.
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