Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Study on the Stratum Deformation Caused by Tunnel Excavation with Different Division of Cross-Section
Sequential excavation method is often used in urban tunnel construction. Based on the stochastic medium theory and according to the stratum deformation caused by element excavation, the stratum deformation united calculating equation under this excavation method is studied, which can take into account the development course of the deformation with the different tunnel section excavation. Then the time-space rules of the stratum deformation caused by tunnel excavation with different division of cross-section are discussed. The maximum of stratum deformation and curvature arise after some part of the whole tunnel, rather than the whole tunnel section has been excavated. Double-sidewalls heading excavation method has more control effect on stratum deformation than central departure excavation method. The study achievement can provide scientific basis for controlling the stratum deformation caused by tunnel construction, and protecting the safety of the buildings and pipelines around the tunnel.
Study on the Stratum Deformation Caused by Tunnel Excavation with Different Division of Cross-Section
Sequential excavation method is often used in urban tunnel construction. Based on the stochastic medium theory and according to the stratum deformation caused by element excavation, the stratum deformation united calculating equation under this excavation method is studied, which can take into account the development course of the deformation with the different tunnel section excavation. Then the time-space rules of the stratum deformation caused by tunnel excavation with different division of cross-section are discussed. The maximum of stratum deformation and curvature arise after some part of the whole tunnel, rather than the whole tunnel section has been excavated. Double-sidewalls heading excavation method has more control effect on stratum deformation than central departure excavation method. The study achievement can provide scientific basis for controlling the stratum deformation caused by tunnel construction, and protecting the safety of the buildings and pipelines around the tunnel.
Study on the Stratum Deformation Caused by Tunnel Excavation with Different Division of Cross-Section
Shi, Chenghua (Autor:in) / Peng, Limin (Autor:in) / Li, Jun (Autor:in)
GeoHunan International Conference 2009 ; 2009 ; Changsha, Hunan, China
13.07.2009
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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