Application of HSP (Horizontal Sonic Profiling) Sound Wave Reflection Method to Geological Prediction of TBM Tunnel of Hanjiang RiverWeihe River Water Diversion Project

doi:10.3973/j.issn.1672-741X.2017.02.017

Tunnel Construction ›› 2017, Vol. 37 ›› Issue (2): 236-241.DOI: 10.3973/j.issn.1672-741X.2017.02.017

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Application of HSP (Horizontal Sonic Profiling) Sound Wave Reflection Method to Geological Prediction of TBM Tunnel of Hanjiang RiverWeihe River Water Diversion Project

LU Song, LI Cangsong, WU Fengshou, ZHOU Yunjin

(China Railway Southwest Research Institute Co., Ltd., Chengdu 611731, Sichuan, China)

Received:2016-08-26 Revised:2016-10-24 Online:2017-02-20 Published:2017-03-04

Abstract

Abstract:

During the construction of TBM, advanced geological prediction and TBM rapid construction often affects each other. As a result, the difficulties of geological prediction are analyzed; and then the working principle and method of HSP sound wave reflection method applied to TBM construction are introduced based on the characteristics of TBM construction. The vibration of rock induced by TBM cutterhead is regarded as vibration source signal; and then the array typed pole arrangement method is used to collect characteristics of the ground ahead. The comparison between analytical results and actual application of HSP sound wave reflection method applized to geological prediction of TBM tunnel of Hanjiang RiverWeihe River Water Diversion Project shows that the HSP sound wave reflection method is feasible and highlyefficient in geological prediction of bad geological conditions.

Key words: Hanjiang RiverWeihe River Water Diversion Project, TBM construction, geological prediction, HSP sound wave reflection method

CLC Number:

U 45

LU Song, LI Cangsong, WU Fengshou, ZHOU Yunjin. Application of HSP (Horizontal Sonic Profiling) Sound Wave Reflection Method to Geological Prediction of TBM Tunnel of Hanjiang RiverWeihe River Water Diversion Project[J]. Tunnel Construction, 2017, 37(2): 236-241.

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Application of HSP (Horizontal Sonic Profiling) Sound Wave Reflection Method to Geological Prediction of TBM Tunnel of Hanjiang RiverWeihe River Water Diversion Project

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