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Numerical Study of Optimal Parameters on the High Filling Embankment Landslide Reinforced by the Portal Anti-Slide Pile
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Numerical Study of Optimal Parameters on the High Filling Embankment Landslide Reinforced by the Portal Anti-Slide Pile
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Journal Article
Numerical Study of Optimal Parameters on the High Filling Embankment Landslide Reinforced by the Portal Anti-Slide Pile
2020
Overview
The landslide signs were discovered in a high filling embankment slope, which was located on an express highway construction site in Guizhou, China. According to the in-situ monitoring results, the landslide mechanism and the stabilization effect of the portal anti-slide pile were preliminarily analyzed. The sliding shear zone of the landslide was obtained by the in-situ monitoring. Tw o numerical models with imposed sliding shear zone were established to analyze the evolution of the landslide instability and the stabilizing effect of the portal anti-slide pile. The comparative analysis of in-situ monitoring data and numerical simulation result shows that the two numerical model are reliable. Furthermore, the numerical model of embankment slope that reinforced by portal anti-slide pile was implemented to analyze the structural behavior of pile under the different pile parameters, and the pile-soil interaction was considered in the numerical model. The influence of the pile parameters (pile spacing, pile row spacing, and linked beam size) on the stabilization effect, structural deformation, and economic benefit were studied. The numerical results provide a guide for determining the optimum parameters of the portal anti-slide pile.
Publisher
Korean Society of Civil Engineers,Springer Nature B.V,대한토목학회
