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《地下空间与工程学报》 2005-02
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The Risk Evaluation on Effect of Shield Tunnel Construction on Urban Asphalt Pavement

HU Qun-fang , HUANG Hong-wei , CHENG Long (School of Civil Engineering, Tongji University, Shanghai 200092, P.R.China)  
Generally, the subway tunnels in soft soil area are built under the pavement. Therefore, it is inevitable that the urban roads are often damaged and broken during the shield tunnel construction. In this paper the different breakage types due to shield tunnel construction are analyzed, the cost composition in the whole life of road is disscussed, and then a risk evaluation model on three parameters such as the maximum settlement, pavement performance and lost cost for urban asphalt roads is set up. In the end, a case study was shown.
【CateGory Index】: U455;U416.217
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