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A platform for research: civil engineering, architecture and urbanism
Analysis of the Tunnel Disease Considering the Unsaturated Loess Matric Suction Effects
In order to analysis the internal relation between the matric suction change and the tunnel disease, the paper combines the Dayoushan tunnel as an engineering example, uses the mathematical, field monitoring and model shear test and to analysis the the change rule of the martic suction and the influence of martic suction on the tunnle supporting force and plastic zone. The results show that when the water content is increasing, the unsaturated loess matric suction is reduction, the force of tunnel support is increasing and the radius of plastic zone is increasing. Due to the influence of surface water infiltration, the matric suction of the around soil in Dayoushan tunnel is reduction and cause the crown settlement, landslides and lining cracks. The disease treatment mainly lies in keeping the drainage system is smooth and secure for waterproof. For the similar unsaturated loess tunnel, the research results have reference significance.
Analysis of the Tunnel Disease Considering the Unsaturated Loess Matric Suction Effects
In order to analysis the internal relation between the matric suction change and the tunnel disease, the paper combines the Dayoushan tunnel as an engineering example, uses the mathematical, field monitoring and model shear test and to analysis the the change rule of the martic suction and the influence of martic suction on the tunnle supporting force and plastic zone. The results show that when the water content is increasing, the unsaturated loess matric suction is reduction, the force of tunnel support is increasing and the radius of plastic zone is increasing. Due to the influence of surface water infiltration, the matric suction of the around soil in Dayoushan tunnel is reduction and cause the crown settlement, landslides and lining cracks. The disease treatment mainly lies in keeping the drainage system is smooth and secure for waterproof. For the similar unsaturated loess tunnel, the research results have reference significance.
Analysis of the Tunnel Disease Considering the Unsaturated Loess Matric Suction Effects
Xue, Xiao-Hui (author) / Su, Zhong-Ming (author) / Sun, Zhi-Jie (author) / Song, Fei (author)
2013
4 Seiten
Conference paper
English
Analysis of the Tunnel Disease Considering the Unsaturated Loess Matric Suction Effects
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