2007•China Municipal EngineeringRequires access

Analysis of Effect on Existing Metro Tunnel Due to the Construction of South Xizang Rd. Tunnel under It

Pan Guo-qing

Abstract

This paper presents the effect on existing metro tunnel(M8) due to South Xizang Rd.shield tunnel construction under M8 tunnel.Three-dimensional finite element method was employed to analyze the deformation and inner forces of M8 tunnel.The results show that volume loss ratio should be controlled within 1% in order to mitigate the stress and deformation in M8 tunnel lining.

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Available abstract

Key concepts: Shield, Geotechnical engineering, Deformation (meteorology), Tunnel construction, Finite element method, Immersed tube, Structural engineering, Railway tunnel