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隧道建设(中英文) ›› 2017, Vol. 37 ›› Issue (2): 242-249.DOI: 10.3973/j.issn.1672-741X.2017.02.018

• 施工机械 • 上一篇    

TBM拆卸洞及拆机起重系统优化设计研究

黄金光1, 2   

  1. (1.中铁隧道集团有限公司, 河南 洛阳 471009; 2. 盾构及掘进技术国家重点实验室, 河南 郑州 450001)
  • 收稿日期:2016-06-29 修回日期:2016-09-12 出版日期:2017-02-20 发布日期:2017-03-04
  • 作者简介:黄金光(1982—),男,湖南益阳人,2004年毕业于湖南城市学院,土木工程专业,本科,工程师,主要从事隧道及地下工程施工管理工作。Email: hjg319@sina.com。

Research on Optimization of Design of TBM Disassembling Cavern and Hoisting System

HUANG Jinguang1, 2   

  1. (1. China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China; 2. State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, Henan, China)
  • Received:2016-06-29 Revised:2016-09-12 Online:2017-02-20 Published:2017-03-04

摘要:

TBM洞内拆机一般是在隧道内修建大断面拆卸洞,安装桥式起重机拆机。大断面拆卸洞施工难度较大,施工工期长,成本投入大。为了缩短TBM拆卸洞施工及拆机时间,减小施工难度,以南疆铁路吐库二线中天山隧道TBM拆机为例,研究设计适应性更好的小车式电动葫芦+倒链起重系统。该系统采取在隧道拱顶布设锚杆来固定导轨和独立吊点。通过对拆卸洞结构原设计方案与优化设计方案进行比选,确定优化断面的结构形式和断面尺寸,优化后拆卸洞断面缩小1/3,施工难度降低,达到安全快速拆卸TBM的目的。

关键词: TBM, 洞内拆机, 拆卸洞, 倒链, 小车式电动葫芦

Abstract:

The TBM disassembling cavern is usually located in tunnel with large crosssection; and it has overhead traveling crane. The construction of large crosssection TBM disassembling cavern is difficult; the construction schedule is long and the construction cost is high. In order to shorten the construction schedule of TBM disassembling cavern and reduce the TBM disassembling time, a more adaptable hoisting system of electric hoist + inverted chain is developed in the TBM disassembling of Zhongtianshan Tunnel on the second line of TurpanKorla section of Nanjiang Railway. The anchor bolt is set on tunnel crown top so as to fasten the guide rail and independent hoisting points. The optimized type and size of crosssection structure of TBM disassembling cavern are decided by comparison between original design scheme and optimized scheme. The area of optimized crosssection of TBM disassembling cavern is reduced by 1/3; and the rapid TBM disassembling is reached.

Key words: TBM, TBM disassembling in tunnel, TBM disassembling cavern, inverted chain, trolley electric hoist

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