Case Study on Construction, Operation and Rehabilitation of Yongjiang River Crossing Immersed Tunnel in Ningbo, China

doi:10.3973/j.issn.1672-741X.2015.S2.038

Tunnel Construction ›› 2015, Vol. 35 ›› Issue (S2): 209-214.DOI: 10.3973/j.issn.1672-741X.2015.S2.038

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Case Study on Construction, Operation and Rehabilitation of Yongjiang River Crossing Immersed Tunnel in Ningbo, China

GAO Xiang, WU Dexing, GUO Xiao

(Zhejiang Provincial Institute of Communications Planning, Design & Research, Hangzhou 310006, Zhejiang, China)

Received:2015-10-14 Revised:2015-11-09 Online:2015-12-15 Published:2015-12-24

Abstract

Abstract:

Yongjiang River Crossing Tunnel in Ningbo, China, which was opened to traffic in 1995, is the first immersed tube tunnel in soft soil built in mainland China. In the paper, the design, construction, operation and rehabilitation of the tunnel are presented, the causes for the settlement and structural defects of the tunnel are analyzed, and some improvement and suggestions are made. The paper can provide reference for similar tunnels in the future.

Key words: Yongjiang River Crossing immersed tunnel, dry dock, dredging, towing, sinking, GINA water stop, health monitoring system

CLC Number:

U 455

GAO Xiang, WU Dexing, GUO Xiao. Case Study on Construction, Operation and Rehabilitation of Yongjiang River Crossing Immersed Tunnel in Ningbo, China[J]. Tunnel Construction, 2015, 35(S2): 209-214.

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Case Study on Construction, Operation and Rehabilitation of Yongjiang River Crossing Immersed Tunnel in Ningbo, China

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