Reviews on Finite Element Modeling Practices of Stone Columns for Soft Soil Stabilization Beneath an Embankment Dam

IF 0.7 Q4 MECHANICS

Studia Geotechnica et Mechanica Pub Date : 2022-11-27 DOI:10.2478/sgem-2022-0024

D. K. Teshager, Henok Lemma Belayneh

引用次数: 0

Abstract

Abstract This article reviews the numerical approach in stone column practices and presents the benefits of stone columns as a ground improvement of soft soil to support an embankment dam. In this article, the methodological approaches to numerically modeling stone columns in both 2D and 3D studies, as well as the selection of an appropriate constitutive model are discussed. The numerical practices for the installation of the stone column and the validation procedures used to ensure the accuracy of the numerical analysis are also explained. In addition to that, the study also presents the benefits of stone columns in improving settlement behavior, slope stability, and decreasing the end time of consolidation. Parameters that influence the performance of the stone column with their respective results are also assessed.

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路堤坝下软土石柱稳定有限元模拟研究进展

摘要:本文综述了石柱在工程实践中的数值方法，并介绍了石柱作为软土地基加固路堤坝的优点。在这篇文章中，方法学方法的数值模拟石柱在二维和三维的研究，以及适当的本构模型的选择进行了讨论。对石柱安装的数值实践和用于确保数值分析准确性的验证程序也进行了说明。此外，研究还提出了石柱在改善沉降行为、改善边坡稳定性、缩短固结结束时间等方面的益处。还对影响石柱性能的参数及其各自的结果进行了评估。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Studia Geotechnica et Mechanica MECHANICS-

CiteScore

1.30

自引率

16.70%

发文量

审稿时长

16 weeks

期刊介绍： An international journal ‘Studia Geotechnica et Mechanica’ covers new developments in the broad areas of geomechanics as well as structural mechanics. The journal welcomes contributions dealing with original theoretical, numerical as well as experimental work. The following topics are of special interest: Constitutive relations for geomaterials (soils, rocks, concrete, etc.) Modeling of mechanical behaviour of heterogeneous materials at different scales Analysis of coupled thermo-hydro-chemo-mechanical problems Modeling of instabilities and localized deformation Experimental investigations of material properties at different scales Numerical algorithms: formulation and performance Application of numerical techniques to analysis of problems involving foundations, underground structures, slopes and embankment Risk and reliability analysis Analysis of concrete and masonry structures Modeling of case histories

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