国内典型砂卵石地层土压平衡盾构设计改进及应用

蒲晓波; 王模公; 吴文彬

doi:10.3973/j.issn.1672-741X.2013.11.014

隧道建设 >

2013 , Vol. 33 >Issue 11: 971 - 976

DOI: https://doi.org/10.3973/j.issn.1672-741X.2013.11.014

施工机械

国内典型砂卵石地层土压平衡盾构设计改进及应用

蒲晓波 ,
王模公 ,
吴文彬

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（1.中铁隧道装备制造有限公司，河南郑州 450016； 2.中铁三局集团有限公司，山西太原 030001）

蒲晓波(1982—)，男，四川资中人，2004年毕业于西南交通大学电子信息工程专业，本科，工程师，主要从事隧道掘进机设计管理工作。

收稿日期: 2013-06-19

修回日期: 2013-09-28

网络出版日期: 2013-11-15

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Optimized Design and Application of EPB Shields  for Typical Sandy Cobble Ground in China

PU Xiaobo ,
WANG Mogong ,
WU Wenbin

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(1. China Railway Tunnelling Equipment Co., Ltd., Zhengzhou 450016, Henan, China;  2. China Railway No.3 Engineering Group Co., Ltd., Taiyuan 030001, Shanxi, China)

Received date: 2013-06-19

Revised date: 2013-09-28

Online published: 2013-11-15

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摘要

为解决砂卵石地层掘进的刀盘刀具异常磨损、泥饼阻塞及地表沉降明显等问题，从刀盘刀具、螺旋输送机、渣土改良及注浆控制等方面进行研究，并结合成都地铁和北京地铁现场应用及试验数据，对刀盘开口率的确定、刀具的布置、轴式/带式螺旋输送机的选取、渣土改良系统及注浆系统的配置进行比较，得到了相应地层土压平衡盾构设计的解决方案，为类似地层土压平衡盾构的设计提供参考。

关键词： 砂卵石地层; 土压平衡盾构; 设计; 刀盘刀具; 螺旋输送机; 渣土改良; 注浆控制

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蒲晓波 , 王模公 , 吴文彬 . 国内典型砂卵石地层土压平衡盾构设计改进及应用[J]. 隧道建设, 2013 , 33(11) : 971 -976 . DOI: 10.3973/j.issn.1672-741X.2013.11.014

Abstract

When EPB shields are used in sandy cobble ground, problems such as abnormal wearing of the cutterhead and cutting tools, cutterhead clogging and ground surface settlement may occur. In the paper, study is made on the optimized design of EPB shields on basis of lessons learnt in the sandy cobble ground in Chengdu and Beijing. The EPB shields are optimized in terms of cutterhead and cutting tools, screw conveyor, soil conditioning and grouting control. In the end, optimized design of EPB shields for sandy cobble ground are proposed. The paper can provide reference for the design of EPB shields for similar grounds in the future.

Key words： sandy cobble ground; EPB shield; design; cutter head and cutting tool; screw conveyor; soil conditioning; grouting control

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