In the construction process of shield tunneling crossing underneath a intercity railway, it is inevitable to bring a potential safety hazard to the safe operation of the railway. Determing how to evaluate the influence of shield tunneling crossing underneath the railway and how to reduce the influence level are urgent to be solved. Taking a Wuxi subway project cross beneath the intercity railway for example, through numerical simulation and on-site monitoring, the influence level and the best construction parameters for the shield construction have been obtained. Under the action of the most unfavorable load, the settlement of the railway was only 1.9 mm after shield tunnel cross through it. Through theoretical analysis and on-site dynamic monitoring methods, it optimized the configuration of shield construction parameters. Adopting the suggested methods, the shield tunnel has crossed through the railway successfully and the results show that the settlement control is perfect.


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    Title :

    Analysis of Influence of Shield Tunneling Crossing underneath Intercity Railway and Shield Tunneling Parameters Optimization


    Contributors:


    Publication date :

    2013


    Size :

    6 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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