Analysis and Application of Axial Line Rectification of Segment  E4 of Honggu Tunnel in Nanchang

doi:10.3973/j.issn.1672-741X.2016.09.011

Tunnel Construction ›› 2016, Vol. 36 ›› Issue (9): 1101-1105.DOI: 10.3973/j.issn.1672-741X.2016.09.011

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Analysis and Application of Axial Line Rectification of Segment  E4 of Honggu Tunnel in Nanchang

XING Yonghui¹, ZHANG Yi², LI Zhijun³

(1. China Railway Tunnel Survey & Design Institute Co., Ltd., Tianjin 300133, China;  2. Guangzhou Salvage Bureau, Guangzhou 510260, Guangdong, China;  3. Erchu Co., Ltd. of China Railway Tunnel Group, Sanhe 065201, Hebei, China)

Received:2016-05-05 Revised:2016-06-20 Online:2016-09-20 Published:2016-09-20

Abstract

Abstract:

Nanchang Honggu Tunnel is a longest inland river tunnel in China. The immersed section of Honngu Tunnel is 1 329 m long and includes 12 segments. The axial line accuracy of segment installation is the key. The main influencing factors of tunnel segment installation accuracy are calculated, and the axial line deviation rectification of tunnel segment is carried out by using horizontal adjusting system. The comparison between measured data and theoretical calculation results shows that the abovementioned axial line deviation rectification method is effective. The study results can provide reference for similar projects in the future.

Key words: immersed tunnel, segment sinking, segment installation, axial line rectification

CLC Number:

U 455.46

XING Yonghui, ZHANG Yi, LI Zhijun. Analysis and Application of Axial Line Rectification of Segment  E4 of Honggu Tunnel in Nanchang[J]. Tunnel Construction, 2016, 36(9): 1101-1105.

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Analysis and Application of Axial Line Rectification of Segment  E4 of Honggu Tunnel in Nanchang

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