Numerical analysis of the behavior of a foundation resting on compressible soil reinforced by stone columns
Numerical analysis of the behavior of a foundation resting on compressible soil reinforced by stone columns
- Abstract
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The technique of soil reinforcement using stone columns has seen substantial growth in the field of geotechnical engineering. This article analyzes the behavior of a foundation on compressible soil, reinforced by two types of columns: ordinary (OSC) and confined with geosynthetics (ESC). The study assesses the impact of column cover ratio and stiffness on foundation settlement, compared with the unreinforced case. It also explores the influence of geosynthetic stiffness in combination with a column, using unit cell methodology and Plaxis v20 software. The results indicate a significant reduction in settlement with ballasted columns, underlining their effectiveness. In addition, column stiffness influences behavior, showing a reduction in deformation with ESC columns compared to OSC. The study also reveals a positive collaborative effect of the geosynthetic with the columns.
Ahmed Merchi; Mohamed Laouche; Bezih Kamel
18th African Regional Conference on Soil Mechanics and Geotechnical Engineering (ARCSMGE2024)
Behavior of soils, analysis and modeling
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