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Study on the impacts of new shield tunnel construction on already-built concealed tunnels

MA Tian-we

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Abstract

Based on engineering case,applying ANSYS finite element software,it analyzes the possible impacts of new shield tunnel construction on already-built concealed tunnels.According to calculation results,it proposes reinforcing measures for existing tunnels.The testing results show that: during the shield crossing existing tunnel,the reinforcing system force in the existing tunnel is within the permitted scope.Thus,it guarantees the structural security of existing tunnel.

About this research paper

What this paper is about

Based on engineering case,applying ANSYS finite element software,it analyzes the possible impacts of new shield tunnel construction on already-built concealed tunnels.According to calculation results,it proposes reinforcing measures for existing tunnels.The testing results show that: during the shield crossing existing tunnel,the reinforcing system force in the existing tunnel is within the permitted scope.Thus,it guarantees the structural security of existing tunnel.

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Key contribution

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Method / approach

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Available abstract

Based on engineering case,applying ANSYS finite element software,it analyzes the possible impacts of new shield tunnel construction on already-built concealed tunnels.According to calculation results,it proposes reinforcing measures for existing tunnels.The testing results show that: during the shield crossing existing tunnel,the reinforcing system force in the existing tunnel is within the permitted scope.Thus,it guarantees the structural security of existing tunnel.

Key concepts: Shield, Scope (computer science), Engineering, Tunnel construction, Civil engineering, Structural engineering, Forensic engineering, Construction engineering

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