Study of Monitoring Technologies for Segment Floating Transportation of Honggu Tunnel in Nanchang

doi:10.3973/j.issn.1672-741X.2016.09.019

Tunnel Construction ›› 2016, Vol. 36 ›› Issue (9): 1155-1160.DOI: 10.3973/j.issn.1672-741X.2016.09.019

Study of Monitoring Technologies for Segment Floating Transportation of Honggu Tunnel in Nanchang

WANG Chongming^{1, 2, 3}, ZHANG Yi⁴, LEI Peng^{1, 2, 3}, LI Zhijun⁵

（1. Tianjin Research Institute for Water Transport Engineering M. O. T., Tianjin 300456, China;  2. Tianjin Survey and Design Institute for Water Transport Engineering, Tianjin 300456, China;  3. Tianjin Key Laboratory of Surveying and Mapping for Waterway Transport Engineering, Tianjin 300456, China;  4. Guangzhou Salvage Bureau, Guangzhou 510260, Guangdong, China; 5. Erchu Co., Ltd. of China Railway Tunnel Group, Sanhe 065201, Hebei, China）

Received:2016-06-16 Revised:2016-07-15 Online:2016-09-20 Published:2016-09-20

Abstract

Abstract:

Nanchang Honggu Tunnel is a longest inland underwater tunnel in China. The floating transportation of tunnel segment is difficult. Two tug formation schemes for tunnel segment floating transportation are made for tunnel segment undocking, downfloating and turning based on water resistance calculation results. The tunnel segment floating transportation monitoring system based on C# and WFP technologies is designed. The remote monitoring is realized by setting RTK CPS, DGPS and inertial navigation devices on tunnel segments and tugs. The successful floating transportation of segments of Honggu Tunnel indicates that the monitoring system is reliable and effective.

Key words: Nanchang Honggu Tunnel, tunnel segment floating transportation, water resistance, tug formation, floating transportation monitoring system, segment crossing bridges monitoring, remote monitoring

CLC Number:

U 455

WANG Chongming, ZHANG Yi, LEI Peng, LI Zhijun. Study of Monitoring Technologies for Segment Floating Transportation of Honggu Tunnel in Nanchang[J]. Tunnel Construction, 2016, 36(9): 1155-1160.

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Study of Monitoring Technologies for Segment Floating Transportation of Honggu Tunnel in Nanchang

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