Evaluation of Granular Fill Layer Underlain by Soft Clay Soil Using Large Scale Cyclic Plate Loading Tests

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dc.authoridDemir, Ahmet/0000-0003-3559-8113
dc.contributor.authorDemir, Ahmet
dc.contributor.authorOk, Bahadir
dc.contributor.authorSarici, Talha
dc.date.accessioned2025-01-06T17:37:20Z
dc.date.available2025-01-06T17:37:20Z
dc.date.issued2023
dc.description.abstractIn general, granular fill materials are widely used to construct new pavement and rehabilitate old pavement. For pavement design, it is essential to know the basic characteristics, such as the permanent deformation behavior of these materials. Considering this phenomenon, this study aims to explain the performance of granular fill layers in pavement systems using cyclic plate load tests. For this purpose, a large-scale cyclic plate load test facility, also known as pavement model testing (PMT), was developed to investigate the permanent deformation characteristics of the pavement structure. To conduct experiments, a standard pavement structure was built with granular fill layers on top of a soft clay subgrade and a geotextile between the subgrade and the base layer. The PMT was used to apply a 40 kN cyclic load through a steel plate with a 305 mm diameter for up to 10,000 cycles after the pavement structure was built. A total of four tests were carried out to evaluate the effects of the granular fill layer's thickness on the pavement's permanent deformation. Furthermore, an analytical solution was developed for the fill layer thickness using the test results. Additionally, the outcomes of some previous studies in the literature were compared to the ones that were obtained. The results of this study indicate that the permanent deformations of the pavement structure and the subgrade increased with the number of load cycles. The permanent deformations began to limit at 3000 cycles when the fill layer thickness was 20 cm, but it was observed that deformations did not limit at 3000 cycles when the fill layer thickness increased to 45 cm. Also, the permanent deformations decreased by two times when the granular fill layer thickness doubled appropriately.
dc.description.sponsorshipRepublic of Turkey General Directorate of Highways [KGM-ARGE/2012-3]
dc.description.sponsorshipThe work presented in this paper was carried out with funding from the Republic of Turkey General Directorate of Highways grant number KGM-ARGE/2012-3. The authors would like to express their thanks to personnel at the research center of Mersin 5th regional office and the General Directorate of Highways for providing valuable help and support in this study.
dc.identifier.doi10.1007/s40999-023-00861-1
dc.identifier.endpage1865
dc.identifier.issn1735-0522
dc.identifier.issn2383-3874
dc.identifier.issue11
dc.identifier.scopus2-s2.0-85164661030
dc.identifier.scopusqualityQ2
dc.identifier.startpage1853
dc.identifier.urihttps://doi.org/10.1007/s40999-023-00861-1
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2198
dc.identifier.volume21
dc.identifier.wosWOS:001024542700001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Int Publ Ag
dc.relation.ispartofInternational Journal of Civil Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectCyclic plate load tests
dc.subjectPermanent deformation
dc.subjectSoft clay
dc.subjectGranular fill
dc.subjectGeotextiles
dc.titleEvaluation of Granular Fill Layer Underlain by Soft Clay Soil Using Large Scale Cyclic Plate Loading Tests
dc.typeArticle

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