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Numerical Simulation Study on the Spacing of Landslide Anti-slip Piles Based on Strength Reduction Method
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Numerical Simulation Study on the Spacing of Landslide Anti-slip Piles Based on Strength Reduction Method
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Journal Article
Numerical Simulation Study on the Spacing of Landslide Anti-slip Piles Based on Strength Reduction Method
2024
Overview
In landslide control engineering, anti-slip piles are the most commonly used means. This article established a numerical model of the interaction between fully weathered granite landslides and anti-slip piles based on the strength reduction method. Firstly, five pile-soil interaction models with different pile spacing were established using Abaqus software, and individual components were generated and assembled using the stretching function. The friction surface is used between the pile and soil, and the normal and tangential contact characteristics are both Penalties. Secondly, the strength reduction method based on displacement criteria is used to reduce the rock and soil parameters to the unstable stage before failure, while calculating the slope safety factor. Then, the influence of anti-slip pile spacing on slope stability, pile shear force, bending moment, and soil arch effect are studied. The strength reduction method and pile-soil interaction model used in this article can effectively avoid single pile effects and have high accuracy in characterizing soil arching effects. The results afford certain application and promotion values by providing theoretical references and technical guidance for similar anti-slide pile reinforced slope projects.
Publisher
IOP Publishing
Subject
