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隧道建设(中英文) ›› 2011, Vol. 31 ›› Issue (6): 678-685.

• 研究与探索 • 上一篇    下一篇

西秦岭特长隧道连续皮带机出碴施工关键技术

许金林,徐赞,王艳波   

  1. (中铁隧道集团二处有限公司, 河北 三河 065201)
  • 收稿日期:2011-07-22 修回日期:2011-10-25 出版日期:2011-12-20 发布日期:2012-01-11
  • 作者简介:许金林(1975—),男,江苏如皋人,1999年毕业于西南交通大学机电一体化专业,本科,高级工程师,现从事隧道工程盾构、TBM施工管理工作。

Key Technology of Mucking by Continuous Conveyor Belt: Case Study on West Qinling Extralong Tunnel

XU Jinlin, XU Zan, WANG Yanbo   

  1. (The 2nd Engineering Co. , Ltd. of China Railway Tunnel Group, Sanhe 065201, Hebei, China)
  • Received:2011-07-22 Revised:2011-10-25 Online:2011-12-20 Published:2012-01-11

摘要: 以新建兰渝铁路西秦岭隧道同步衬砌下的特长连续皮带机出碴为研究背景,介绍连续皮带机出碴体系与同步衬砌体系的矛盾并提出解决方案,创造性地引入连续分碴器自动切换装车技术以实现连续皮带机出碴与工程车转运2作业工序的无缝衔接;同时,阐述特长连续皮带机转场方案及皮带收放装置在解决出碴体系中途转场过程中如何实现无损伤快速回收、释放皮带难题的应用。实践证明:上述工艺和技术在经济性、连续性、安全性、施工工效、劳动强度等方面都能够更加合理地辅助现场施工,对于推动我国尚处于起步阶段的连续皮带机出碴技术发展具有较强的参考和指导意义。

关键词: 西秦岭隧道, TBM, 连续皮带机, 出碴体系, 转场技术, 同步衬砌, 连续分碴器, 皮带收放装置

Abstract: Continuous conveyor belt mucking system and synchronous lining system are adopted in the construction of West Qinling tunnel on LanzhouChongqing railway. The conflicts between the continuous conveyor belt mucking system and the synchronous lining system are presented and solutions are proposed. Automatic muck branching device is adopted, which achieves smooth muck transfer between the continuous conveyor belt mucking system and the truck transporting system. Automatic belt releasing and withdrawing device is applied in the works, which achieves successful belt releasing and withdrawing. The practice shows that the conveyor belt mucking technology is helpful to the tunneling in terms of economy, continuity, safety, efficiency and working intensity. The paper can provide reference for the development of continuous conveyor belt mucking technology in China.

Key words: West Qinling tunnel, TBM, continuous conveyor belt, mucking system, transferring technology, synchronous lining, muck branching device, belt releasing and withdrawing device