Investigation of the influence zone of stone columns with and without geogrid encasement by experimental and numerical studies

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dc.authoridSARICI, TALHA/0000-0001-8488-5851
dc.authoridOK, BAHADIR/0000-0001-8333-5671
dc.authoridDemir, Ahmet/0000-0003-3559-8113
dc.authoridÖzcan, Mustafa/0000-0001-5745-8694
dc.contributor.authorDemir, Ahmet
dc.contributor.authorSarici, Talha
dc.contributor.authorOk, Bahadir
dc.contributor.authorOzcan, Mustafa
dc.date.accessioned2026-02-27T07:33:15Z
dc.date.available2026-02-27T07:33:15Z
dc.date.issued2025
dc.description.abstractThe influence zone for geogrid encased stone columns (GESC) and ordinary stone columns (OSC) were investigated in the scope of this study. For this purpose, a single stone column (OSC or GESC) was built in clay soil which was placed in tanks had various diameters to observe load-deformation behavior of a 5 cm diameter rigid model footing. The effects of the water content of clay soils on the behavior of stone columns were also investigated. This study consists of two stages. Firstly, experimental studies were conducted at the laboratory using model loading test setup, and secondly, models created with a finite element method (FEM) based software called as Plaxis and numerical analyses were carried. Experimental study results validated the FEM results closely for short-term stability. Therefore, further investigations on FEM models were carried out. As a result of this study, generally, geogrid encasement for the stone columns increased the bearing capacity and the decreased amount of lateral bulging and settlement. In addition, for OSC and GESC, the influence zone was about 5 and 6 times the stone column's diameter, respectively. So, it can be said that encasing the stone column with geogrid reduced the influence zone.
dc.identifier.doi10.1016/j.aej.2025.03.063
dc.identifier.endpage137
dc.identifier.issn1110-0168
dc.identifier.issn2090-2670
dc.identifier.startpage124
dc.identifier.urihttp://dx.doi.org/10.1016/j.aej.2025.03.063
dc.identifier.urihttps://hdl.handle.net/20.500.14669/4520
dc.identifier.volume123
dc.identifier.wosWOS:001456790300001
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofAlexandria Engineering Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20260302
dc.subjectStone column
dc.subjectSoil stabilization
dc.subjectGeogrid
dc.subjectExperimental study
dc.subjectNumerical analysis
dc.subjectInfluence zone
dc.titleInvestigation of the influence zone of stone columns with and without geogrid encasement by experimental and numerical studies
dc.typeArticle

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