@article {100686,
	title = {Numerical Investigation of the Performance ofSand Columns in Soft Clay Improvement},
	journal = {Jordan Journal of Civil Engineering, },
	volume = {20},
	number = {1},
	year = {2025},
	pages = {29-44},
	abstract = {ABSTRACTArticle History:Received: 22/5/2025Accepted: 17/8/2025This study examines the effects of installing stone columns in soft clay using numericalsimulations of small-scale laboratory tests. These tests involve reinforcing Kaolinspecimens with sand columns constructed using two techniques: simple replacementwithout compaction and replacement with compaction. After installation, thespecimens were subjected to loading to evaluate their mechanical behavior. Aparametric study was conducted to assess the influence of key factors, including areareplacement ratio, geogrid confinement, column length, and intensity of compactionstress. The results showed that settlement reduction is proportional to the areareplacement ratio, column length, and the stiffness of the geogrid encasement. For a16\% area replacement ratio, the relative settlement decreased from 14.6\% to 12.1\%,with a corresponding stress concentration ratio of 1.92. When geogrid confinementwas applied, settlement was further reduced to 6.9\% and stress concentration ratioincreased to 15.9. Moreover, columns installed with compaction led to a 20\% reductionin the void ratio near the column, lowering the settlement to 9.23\%. This reduction wasdirectly related to the intensity of the compaction stress applied. The study highlightedthe importance of the column installation method on the behavior of reinforced soils},
	url = {https://doi.org/10.14525/JJCE.v20i1.05},
	author = {LAOUCHE Mohamed and BEZIH Kamel and DJENANE Mohamed and Toufik, Karech}
}
