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施工机械

成都富水砂卵石地层盾构刀盘设计及应用

  • 张家年 ,
  • 胡玉娟
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  • (中铁工程装备集团有限公司, 河南 郑州 450000)
张家年(1987—),男,江西赣州人, 2010年毕业于郑州大学,材料科学与工程类(金属材料)专业,本科,助理工程师,现从事盾构设计研发工作。

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  Waterrich Sandy Gravel Strata in Chengdu

  • ZHANG Jianian ,
  • HU Yujuan
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  • (China Railway Engineering Equipment Group Co. , Ltd. , Zhengzhou 450000, Henan, China)

Received date: 2014-08-06

  Revised date: 2014-11-15

  Online published: 2014-12-17

摘要

针对成都富水砂卵石地层盾构施工过程中刀盘刀具磨损严重、结泥饼和地表沉降大等问题,从盾构刀盘结构设计、刀具配置、耐磨保护及刀盘碴土改良等方面入手,对刀盘进行了针对性地改良设计。改良后的盾构刀盘不仅实现了长距离掘进,而且也有效地控制了地表沉降,对类似地层盾构刀盘设计具有一定的指导和借鉴作用。

本文引用格式

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

Abstract

Problems, including serious cutterhead wearing, cutterhead clogging and ground surface settlement, occur during the EPB shield boring in waterrich sandy gravel strata in Chengdu. As a result, the design of the cutterhead is optimized in terms of cutterhead structure, cutter arrangement, antiwearing protection and ground conditioning. The shield with the optimized cutterhead achieves longdistance 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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