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2014•Journal of Henan University of Science & TechnologyRequires access

Numerical Analysis of Deep Foundation Pit Deformation with Dewatering in Excavation

Chaoshun Li

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Abstract

Based on the seepage theory,the numerical analysis software FLAC3Dwas used to analyze the deformation of deep foundation pit excavated in Nanchang. Through analyzing different excavation depth of the deep foundation pit,the regular pattern of horizontal and vertical displacement were got. Then,the deformation characteristics under different support measures were analyzed. The results show that the support system used in the project limits the the subsidence outside of the pit and the deformation of the pile within the allowable range,and the stability of the excavation are ensured,which can be used as a reference for similar projects.

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What this paper is about

Based on the seepage theory,the numerical analysis software FLAC3Dwas used to analyze the deformation of deep foundation pit excavated in Nanchang. Through analyzing different excavation depth of the deep foundation pit,the regular pattern of horizontal and vertical displacement were got. Then,the deformation characteristics under different support measures were analyzed. The results show that the support system used in the project limits the the subsidence outside of the pit and the deformation of the pile within the allowable range,and the stability of the excavation are ensured,which can be used as a reference for similar projects.

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Available abstract

Based on the seepage theory,the numerical analysis software FLAC3Dwas used to analyze the deformation of deep foundation pit excavated in Nanchang. Through analyzing different excavation depth of the deep foundation pit,the regular pattern of horizontal and vertical displacement were got. Then,the deformation characteristics under different support measures were analyzed. The results show that the support system used in the project limits the the subsidence outside of the pit and the deformation of the pile within the allowable range,and the stability of the excavation are ensured,which can be used as a reference for similar projects.

Key concepts: Foundation (evidence), Excavation, Dewatering, Geotechnical engineering, Deformation (meteorology), Pile, Subsidence, Geology

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