Application of Geological Prediction Technologies in Construction of Largediameter Rivercrossing Shieldbored Tunnels

doi:10.3973/j.issn.1672-741X.2013.02.006

Tunnel Construction ›› 2013, Vol. 33 ›› Issue (2): 122-128.DOI: 10.3973/j.issn.1672-741X.2013.02.006

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Application of Geological Prediction Technologies in Construction of Largediameter Rivercrossing Shieldbored Tunnels

SONG Mingfu¹, LIU Hongyue^2

（1. China Railway Tunnel Stock Co., Ltd., Zhengzhou 450003, Henan, China; 2. Fujian Provincial Institute of Architectural Design & Research, Fuzhou 350001, Fujian, China)

Received:2012-11-16 Revised:2012-12-05 Online:2013-02-20 Published:2013-03-05

Abstract

Abstract:

Tests have been made on the field applicability of 4 geological prediction technologies, including high density resistivity technology, high frequency magnetotelluric technology，seismic reflection wave technology and transient electromagnetic technology. According to the testing results, the former 3 technologies are adopted to predict the geological conditions of the largediameter rivercrossing shieldbored tunnel. In the end, the distributions of soil conditions, fractures and potential karst cave are predicted.

Key words: Xiangjiang rivercrossing tunnel, underwater shieldbored tunnel, karst cave, geophysical prospecting, high density resistivity technology, high frequency magnetotelluric technology, seismic reflection wave technology

SONG Mingfu, LIU Hongyue. Application of Geological Prediction Technologies in Construction of Largediameter Rivercrossing Shieldbored Tunnels[J]. Tunnel Construction, 2013, 33(2): 122-128.

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Application of Geological Prediction Technologies in Construction of Largediameter Rivercrossing Shieldbored Tunnels

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