Treatment of Landslide at Tunnel Portals

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Tunnel Construction ›› 2006, Vol. 26 ›› Issue (3): 73-75.DOI: B

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Treatment of Landslide at Tunnel Portals

LIN Sanguo

The 1st Engineering Co., Ltd. of China Railway the 5th Bureau Group

Received:2006-01-16 Revised:2006-02-27 Online:2006-06-20 Published:2009-12-09

Abstract

Abstract:

During the top heading construction of Matijing tunnel on GanzhouLongyan railway, huge deformation occurs to the 30mlong exit portal section, which is followed by full collapse. Several treatment options are attempted, but unfortunately no success is achieved. After thorough geological investigations, it is determined that there exist landslide, on basis of which comprehensive treatment plan is prepared. The article presents the landslide treatment method, demonstrating the great importance of thorough geological investigations in tunnel engineering works.

Key words: tunnel , landslide , comprehensive treatment

CLC Number:

U216.41+9.1

LIN Sanguo. Treatment of Landslide at Tunnel Portals[J]. Tunnel Construction, 2006, 26(3): 73-75.

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Treatment of Landslide at Tunnel Portals

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