Cause Analysis on and Prevention of Water Seepages during Construction of Deep Foundation Pits of Metro Works in Urban Areas

doi:10.3973/j.issn.1672-741X.2013.03.013

Tunnel Construction ›› 2013, Vol. 33 ›› Issue (3): 242-246.DOI: 10.3973/j.issn.1672-741X.2013.03.013

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Cause Analysis on and Prevention of Water Seepages during Construction of Deep Foundation Pits of Metro Works in Urban Areas

ZHAO Yunfei¹, WANG Xiaolin^2

(1. Technology Center of China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China; 2. Luoyang Institute of Science and Technology, Luoyang 471023, Henan, China)

Received:2012-10-17 Revised:2013-02-06 Online:2013-03-20 Published:2013-03-23

Abstract

Abstract:

Waterseepage is one of the common and dangerous incidents in the construction of deep foundation pits. In the paper, the causes for the waterseepages are studied in terms of hydrogeology, construction methods and water level monitoring. The effect of water level monitoring in the construction of deep foundation pits is emphatically discussed. Improved methods and timing of water level monitoring are proposed. The practice demonstrates that water seepage incidents can be avoided or can be timely coped with by comprehensive analysis on the water seepage risks.

Key words: urban Metro, deep foundation pit, retaining structure, deep confined water, monitoring, water seepage

ZHAO Yunfei, WANG Xiaolin. Cause Analysis on and Prevention of Water Seepages during Construction of Deep Foundation Pits of Metro Works in Urban Areas[J]. Tunnel Construction, 2013, 33(3): 242-246.

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Cause Analysis on and Prevention of Water Seepages during Construction of Deep Foundation Pits of Metro Works in Urban Areas

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