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施工机械

压缩空气条件下盾构刀盘特种焊接修复技术

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  • (1. 盾构及掘进技术国家重点实验室, 郑州 450001, 2. 中铁隧道集团有限公司, 河南 洛阳 471009)
孙善辉(1979—),男,安徽萧县人,2001年毕业于石家庄铁道学院机械工程及自动化控制专业,本科,高级工程师,主要从事盾构施工及科研工作。

收稿日期: 2011-11-02

  修回日期: 2012-04-06

  网络出版日期: 2012-07-09

Technology for Welding Repair of Cutter Heads of Shield  Machine under Compressed Air

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  • (1. State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, China;  2. China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China)

Received date: 2011-11-02

  Revised date: 2012-04-06

  Online published: 2012-07-09

摘要

为了解决压缩空气条件下盾构刀盘的焊接修复和掌子面稳定问题,阐述、分析、研究其工作原理、关键技术、开舱气密性条件及掌子面稳定措施等。研究认为应该: 1)选择专业带压进舱焊接队伍; 2)制定详细的技术方案及专家审查制度; 3)制定严格的过程控制措施,密切注意带压进舱补气量、泥膜质量、掌子面及作业孔稳定情况等; 4)制定严格的技术领导值班制度。

本文引用格式

孙善辉,陈馈,王振飞 . 压缩空气条件下盾构刀盘特种焊接修复技术[J]. 隧道建设, 2012 , 32(3) : 413 -420 . DOI: 10.3973/j.issn.1672-741X.2012.03.028

Abstract

The welding principle, key welding technologies, chamber airtightness and tunnel face stability are presented and analyzed. Conclusions drawn are as follows: 1) Professional hypobaric welding teams should be selected. 2) Detailed technical scheme and expert examining system should be established. 3) Strict process control measures should be worked out. 4) Strict technical leader onduty system should be established.
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