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   CN 44-1745/U

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Tunnel Construction ›› 2015, Vol. 35 ›› Issue (S2): 197-204.DOI: 10.3973/j.issn.1672-741X.2015.S2.036

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Nondestructive Disassembling Technologies for Largediameter Opentype TBMs

LI Taomeng, SUN Haibo   

  1. (Tunnelingdedicated Equipment Center, China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China)
  • Received:2015-05-07 Revised:2015-08-28 Online:2015-12-15 Published:2015-12-24

Abstract:

The disassembling of largediameter opentype TBM in tunnel has many difficulties and it is hard to be carried out. In this paper, the preparation and disassembling technologies for backup system and main body of Robbins TBM 335, used in XSQLS2 Bid Section of West Qinling tunnel on LanzhouChongqing Railway, are presented in detail. Meanwhile, some suggestions have been given.

Key words: West Qinling tunnel, largediameter opensype TBM, nondestructive disassembling, backup system, main body, main bearing

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