Research on Construction Technologies for TBM Continuous Boring through Limestone Section of Bid Section No.4 of Songhua River Water Conveyance Project

doi:10.3973/j.issn.1672-741X.2017.03.015

Tunnel Construction ›› 2017, Vol. 37 ›› Issue (3): 354-362.DOI: 10.3973/j.issn.1672-741X.2017.03.015

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Research on Construction Technologies for TBM Continuous Boring through Limestone Section of Bid Section No.4 of Songhua River Water Conveyance Project

ZHAO Hailei¹, CHEN Kui¹, ZHOU Jianjun¹, ZHANG Bing¹, YANG Bin², WANG Zhenfei²

（1. State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, Henan, China; 2. China Railway Tunnel Stock Co., Ltd., Zhengzhou 450001, Henan, China）

Received:2016-11-25 Revised:2017-01-25 Online:2017-03-20 Published:2017-03-30

Abstract

Abstract:

The open TBM bores through limestone section of 7 km long of Bid Section No. 4 of Songhua River Water Conveyance Project. The advanced geological prediction system and lining system of TBM are designed based on characteristics, i.e. long distance, large crosssection, rapid boring and strengthened support of the project. And then, corresponding construction technologies and countermeasures are decided for bad geological conditions. The TBM has successfully bored through the limestone section; the construction cost has been reduced and the construction schedule has been shortened by relevant design, construction technologies and countermeasures adopted. 

Key words: Songhua River Water Conveyance Project, tunnel, open TBM, limestone section

CLC Number:

U 455

ZHAO Hailei, CHEN Kui, ZHOU Jianjun, ZHANG Bing, YANG Bin, WANG Zhenfei. Research on Construction Technologies for TBM Continuous Boring through Limestone Section of Bid Section No.4 of Songhua River Water Conveyance Project[J]. Tunnel Construction, 2017, 37(3): 354-362.

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Research on Construction Technologies for TBM Continuous Boring through Limestone Section of Bid Section No.4 of Songhua River Water Conveyance Project

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