Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Quantified Risk Assessment of Shield Tunneling Effects on Urban Cement Concrete Pavement
When a shield machine is tunneling under an urban cement concrete road, the pavement settlements or deformation can be progressed into four stages: upheaval, subsidence, consolidation and subside. Therefore, it is inevitable that urban roads are often damaged and broke because of these incompatible settlements during the shield tunnel construction. It finally leads to many typical failures such as spall, fracture, pavement depression and faulting of slab ends in cement concrete pavements. So it needs to analyze these differently typical destructions and discuss risk loss in the whole life of roads. A quantified model of risk assessment is established on three parameters: the maximum settlement (Smax), pavement condition index (PCI) and risk loss (CR). And a case study is shown here to elucidate that the proposed model is useful for the risk assessment of damage conditions of cement concrete roads due to shield tunnel construction.
Quantified Risk Assessment of Shield Tunneling Effects on Urban Cement Concrete Pavement
When a shield machine is tunneling under an urban cement concrete road, the pavement settlements or deformation can be progressed into four stages: upheaval, subsidence, consolidation and subside. Therefore, it is inevitable that urban roads are often damaged and broke because of these incompatible settlements during the shield tunnel construction. It finally leads to many typical failures such as spall, fracture, pavement depression and faulting of slab ends in cement concrete pavements. So it needs to analyze these differently typical destructions and discuss risk loss in the whole life of roads. A quantified model of risk assessment is established on three parameters: the maximum settlement (Smax), pavement condition index (PCI) and risk loss (CR). And a case study is shown here to elucidate that the proposed model is useful for the risk assessment of damage conditions of cement concrete roads due to shield tunnel construction.
Quantified Risk Assessment of Shield Tunneling Effects on Urban Cement Concrete Pavement
Hu, Q. F. (Autor:in) / Huang, H. W. (Autor:in)
Georisk 2011 ; 2011 ; Atlanta, Georgia, United States
GeoRisk 2011 ; 915-922
21.06.2011
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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