Case Study on Early Warning of and Response to Landslide near Tunnel Portal

doi:10.3973/j.issn.1672-741X.2015.09.003

Tunnel Construction ›› 2015, Vol. 35 ›› Issue (9): 873-877.DOI: 10.3973/j.issn.1672-741X.2015.09.003

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Case Study on Early Warning of and Response to Landslide near Tunnel Portal

LI Yanzong, ZOU Chong, LI Da

(Survey, Research and Design Institute of China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China)

Received:2015-01-15 Revised:2015-03-24 Online:2015-09-20 Published:2015-09-22

Abstract

Abstract:

Landslide may occur near the portal of a tunnel under construction. In the paper, the warning criterion for the landslide near the tunnel portal is determined according to the site conditions, and it is concluded that comprehensive early warning may be made for the landslide mainly according to the ground surface deformation, the horizontal displacement of the top of the antislide piles, the lateral stress of the antislide pile body and the rainfall. The paper can provide reference for the early warning of landslide of similar projects.

Key words: tunnel, portal, landslide, geological disaster, early warning

CLC Number:

U 452

LI Yanzong, ZOU Chong, LI Da. Case Study on Early Warning of and Response to Landslide near Tunnel Portal[J]. Tunnel Construction, 2015, 35(9): 873-877.

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Case Study on Early Warning of and Response to Landslide near Tunnel Portal

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