Numerical analysis of reinforced soil-retaining wall structures with cohesive and granular backfills

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dc.authorid0000-0002-9167-8866
dc.contributor.authorDemirkan, M. M.
dc.contributor.authorGüler, Erol
dc.contributor.authorHamderi, Murat
dc.date.accessioned2024-04-19T06:52:31Z
dc.date.available2024-04-19T06:52:31Z
dc.date.issued2015
dc.departmentTAÜ, Mühendislik Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.description.abstractThe failure mechanisms of reinforced soil segmental walls with extensible reinforcements were studied by performing a numerical analysis using the finite element method. The numerical approach was first verified against the results of three instrumented full-scale structures reported in the literature. Finite element models with different combinations of reinforcement spacing, reinforcement length and backfill soil were analysed. The –c reduction method, which is a special shear strength parameter reduction technique, was applied to simulate the failure conditions. The results of –c reduction analysis were used to evaluate assumptions used in current design procedures for geosynthetic-reinforced soil walls. In particular, shear strains were used to identify failure surfaces. Interpretation of the results indicated that, for both granular and cohesive backfills, the potential failure surface gradually shifts to a direct sliding mode as the system approaches failure. As a result, under working loads the potential failure surface used in current design analysis is correct, but the failure plane of a geosynthetic-reinforced soil-retaining wall at failure approaches a direct sliding type or a bilinear plane, which starts from the toe of the wall with a very shallow slope.
dc.identifier.citationGuler, E., Hamderi, M. & Demirkan, M. M. (2015). Numerical analysis of reinforced soil-retaining wall structures with cohesive and granular backfills. Geosynthetics International, 14 (6), 330–345.
dc.identifier.doi10.1680/gein.2007.14.6.330
dc.identifier.endpage345en_US
dc.identifier.issue6en_US
dc.identifier.startpage330en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12846/1076
dc.identifier.volume14en_US
dc.language.isoen
dc.publisherICE Publishing
dc.relation.ispartofGeosynthetics International
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectGeosyntheticsen_US
dc.subjectReinforced soilen_US
dc.subjectGeotextileen_US
dc.subjectFailure surfaceen_US
dc.subjectFinite element analysisen_US
dc.subjectShear strainsen_US
dc.titleNumerical analysis of reinforced soil-retaining wall structures with cohesive and granular backfills
dc.typeArticle

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