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收稿日期: 2015-05-07
修回日期: 2015-08-28
网络出版日期: 2015-12-24
Nondestructive Disassembling Technologies for Largediameter Opentype TBMs
Received date: 2015-05-07
Revised date: 2015-08-28
Online published: 2015-12-24
针对目前国内山岭隧道内大直径敞开式TBM洞内拆机条件简陋、拆机复杂、拆机危险性较高等隧道施工单位面临的普遍性难题,以兰渝铁路西秦岭隧道工程XSQLS2标采用的Robbins TBM335洞内无损拆机方法为例,重点介绍TBM在山岭隧道内拆机的前期准备、后配套和主机重点部位拆除方法和经验教训。通过总结本次拆机的经验,得出以下结论: 1)做好周密拆机计划是大直径TBM洞内成功拆机的重要前提; 2)特殊拆机工具(如主轴承拉伸螺栓拆除工具液压拉伸器)要提前准备,并做好相关配件的储备防止相关配件损坏影响拆机进度; 3)重点部位的拆卸一定要按照经过专家审批的拆机方案严格执行; 4)拆机过程一定要做好安全工作。
李陶朦 , 孙海波 . 大直径敞开式TBM洞内无损拆机技术[J]. 隧道建设, 2015 , 35(S2) : 197 -204 . DOI: 10.3973/j.issn.1672-741X.2015.S2.036
The disassembling of largediameter opentype TBM in tunnel has many difficulties and it is hard to be carried out. In this paper, the preparation and disassembling technologies for backup system and main body of Robbins TBM 335, used in XSQLS2 Bid Section of West Qinling tunnel on LanzhouChongqing Railway, are presented in detail. Meanwhile, some suggestions have been given.
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