2012•Unpublished venueRequires access

Analysis of the Affect to the Existing Tunnel and Pipeline Under Shield Construction

Cars Shenzhen

Abstract

Based on the construction of a shield tunnel near the existing tunnel and pipeline,the software of ANSYS was used to analyze the ground stratum squatting and the deformation and forces of the existing tunnel and pipeline under the construction process of shield tunnel.The result shows that the stress redistribution caused the maximum ground stratum offset the left side during the construction process of shield tunnel;the existing tunnel and pipeline easily caused stress concentration in the corner site,and the existing tunnel have the trend of tilt displacement to the shield tunnel clearance.

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Key concepts: Shield, Tunnel construction, Geotechnical engineering, Engineering, Structural engineering, Displacement (psychology), Geology, Psychology