Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Numerical Simulation of Compaction Effect Induced by Pile Driving Adjacent to Slope
In recent years, pile driving adjacent to a slope often happens in the practice and thus, many accidents incurred. Due to the non-axisymmetric characteristics of pile driving boundary conditions, it is difficult to solve this problem by theoretical solution. In this paper, the Finite Element Method (FEM) is used to analyze the slope squeezing displacement under pile driving adjacent to slope. The results indicate that the size of the influence zone in which soil squeezing displacement is obvious continues to increase with the penetration of pile, and the displacement mode around pile changes as well. The soil adjacent to the pile body settles downward under the radial compression and side friction. However, beyond a certain distance to pile, uplift displacement of the soil is observed under the free boundary of surface and slope. After the pile reaches the bottom surface of the slope, the subsequent pile sinking has little influence on soil squeezing displacement. The experimental results:(1) reveal the soil squeezing performance caused by pile driving adjacent to slope and the mechanism for slope deformation, and (2) provide reference for designing practical engineering, setting construction parameters and controlling soil squeezing displacement.
Numerical Simulation of Compaction Effect Induced by Pile Driving Adjacent to Slope
In recent years, pile driving adjacent to a slope often happens in the practice and thus, many accidents incurred. Due to the non-axisymmetric characteristics of pile driving boundary conditions, it is difficult to solve this problem by theoretical solution. In this paper, the Finite Element Method (FEM) is used to analyze the slope squeezing displacement under pile driving adjacent to slope. The results indicate that the size of the influence zone in which soil squeezing displacement is obvious continues to increase with the penetration of pile, and the displacement mode around pile changes as well. The soil adjacent to the pile body settles downward under the radial compression and side friction. However, beyond a certain distance to pile, uplift displacement of the soil is observed under the free boundary of surface and slope. After the pile reaches the bottom surface of the slope, the subsequent pile sinking has little influence on soil squeezing displacement. The experimental results:(1) reveal the soil squeezing performance caused by pile driving adjacent to slope and the mechanism for slope deformation, and (2) provide reference for designing practical engineering, setting construction parameters and controlling soil squeezing displacement.
Numerical Simulation of Compaction Effect Induced by Pile Driving Adjacent to Slope
Rao, Pingping (Autor:in) / Cui, Jifei (Autor:in)
Geo-Shanghai 2014 ; 2014 ; Shanghai, China
05.05.2014
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Numerical Simulation of Compaction Effect Induced by Pile Driving Adjacent to Slope
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