Field Test of Circular Footings on Reinforced Granular Fill Layer Overlying a Clay Bed

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dc.authoridDemir, Ahmet/0000-0003-3559-8113
dc.authoridYildiz, Abdulazim/0000-0002-6755-1902
dc.contributor.authorLaman, Mustafa
dc.contributor.authorYildiz, Abdulazim
dc.contributor.authorOrnek, Murat
dc.contributor.authorDemir, Ahmet
dc.date.accessioned2025-01-06T17:43:25Z
dc.date.available2025-01-06T17:43:25Z
dc.date.issued2012
dc.description.abstractThe ultimate bearing capacity and settlement of a circular shallow rigid plate on compacted granular fill layer with and without geogrid reinforcement overlying on natural clay deposit exhibiting low bearing capacity and large settlement have been investigated. A total of 15 field tests were carried out using a circular model rigid plate with a diameter of 0.90 m. This study has been initially directed to evaluate the beneficial effects of the compacted granular fill layer on natural clay deposit for the shallow rigid plate performance. Then, the reinforcing effect of the top granular fill layer with horizontal layers of welded geogrid reinforcement on the bearing capacity and settlement has been studied. Parameters of the testing program include granular fill thickness, depth of first reinforcement, vertical spacing of reinforcement layers, and number of reinforcement layers. Bearing capacity ratio (BCR) and percentage reduction in settlement (PRS) were defined to evaluate improvement performance. Based on the test results, the effect of the granular fill and welded geogrid reinforcement on the bearing capacity and settlement are discussed. The results indicate that the use of granular fill layers over natural clay soils has considerable effects on the bearing capacity and settlement characteristics. The construction of granular fill layer with welded geogrid reinforcement over clay deposit helps in redistributing the applied load to a wider area. It has been observed that the use of welded geogrid reinforcement in granular fill layer provides additional improvement of bearing capacity and provides reduction in settlement of the rigid plate up to 80 and 60 %, respectively.
dc.description.sponsorshipTUBITAK (The Scientific and Technological Research Council of Turkey) Grant [106M496]; Cukurova University Scientific Research Project Directorate Grant [MMF2006D28]
dc.description.sponsorshipThe work presented in this paper was carried out with funding from TUBITAK (The Scientific and Technological Research Council of Turkey) Grant No. 106M496 and Cukurova University Scientific Research Project Directorate Grant No. MMF2006D28.
dc.identifier.endpage585
dc.identifier.issn0149-6115
dc.identifier.issn1945-7545
dc.identifier.issue4
dc.identifier.startpage575
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2662
dc.identifier.volume35
dc.identifier.wosWOS:000307866800007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherAmer Soc Testing Materials
dc.relation.ispartofGeotechnical Testing Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectlarge scale
dc.subjectfield tests
dc.subjectclay
dc.subjectgranular fill layer
dc.subjectwelded geogrid
dc.titleField Test of Circular Footings on Reinforced Granular Fill Layer Overlying a Clay Bed
dc.typeArticle

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