Application of Slidingtype Open TBM Stepping Technology to Songhua River Water Diversion Project

doi:10.3973/j.issn.1672-741X.2017.S1.031

Tunnel Construction ›› 2017, Vol. 37 ›› Issue (S1): 184-188.DOI: 10.3973/j.issn.1672-741X.2017.S1.031

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Application of Slidingtype Open TBM Stepping Technology to Songhua River Water Diversion Project

QI Zhichong, HE Fei

(China Railway Engineering Equipment Group Co., Ltd., Zhengzhou 450016, Henan, China)

Received:2016-06-24 Revised:2017-04-10 Online:2017-05-20 Published:2017-05-27

Abstract

Abstract:

The components and stepping mechanism of slidingtype stepping system of open TBM are introduced in detail. And then the requirements of slidingtype stepping technology on stepping tunnel, launching tunnel, stepping tunnel of preprocessed bad geological section and maintaining tunnel are summarized. Finally, the operation process of launching and receiving of slidingtype stepping technology, issues should be paid attentions to during stepping and stepping effects are summarized and the advantages and disadvantages of this kind of stepping system are presented. The results can provide references for early infrastructure and TBM stepping of similar projects in the future.

Key words: open TBM, stepping technology, Songhua River Water Diversion Project

CLC Number:

U 45

QI Zhichong, HE Fei. Application of Slidingtype Open TBM Stepping Technology to Songhua River Water Diversion Project[J]. Tunnel Construction, 2017, 37(S1): 184-188.

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Application of Slidingtype Open TBM Stepping Technology to Songhua River Water Diversion Project

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