Local site conditions and hydromechanical effects in service life of cantilever retaining walls

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dc.contributor.authorYenginar, Yavuz
dc.contributor.authorOzkan, Ilyas
dc.date.accessioned2024-02-23T14:02:51Z
dc.date.available2024-02-23T14:02:51Z
dc.date.issued2023
dc.departmentNEÜen_US
dc.description.abstractThe present study has two objectives for the design of cantilever walls based on the local site conditions: i) estimating the minimum foundation width in the seismic loading condition and ii) determining the critical water level, which causes wall failure, for the design of an effective drainage system. Therefore, cantilever retaining walls are designed according to different design considerations such as stem height (H = 2.5, 4, 6 m), local soil class (ZC, ZD, ZE), and seismic characteristics of ground (PGA = 0.095-0.687 and k(h) = 0.057-0.403). Stability analyses (bearing capacity, allowable eccentricity, sliding, overturn, overall stability, and settlement) were performed using the limit equilibrium method. Static and dynamic earth thrusts were determined using the Coulomb and Mononobe-Okabe methods, respectively. Analysis results show that local soil class is a more effective parameter than PGA in the seismic design of cantilever walls. Regression equations (R-2 > 0.97) are proposed to estimate minimum foundation width (B) easily. Moreover, the critical water height decreases to one-fifth of the wall height, especially in regions with low earthquake risk (PGA < 0.2). Regression equations (R-2 > 0.98) are proposed to find critical water height. In the design of the drainage system, inclined perforated pipes should be connected to horizontal ones and continued up to the critical water height on the interface layer between the backfill and natural ground.en_US
dc.identifier.doi10.1016/j.engfailanal.2023.107536
dc.identifier.issn1350-6307
dc.identifier.issn1873-1961
dc.identifier.scopus2-s2.0-85168410237en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.engfailanal.2023.107536
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11850
dc.identifier.volume153en_US
dc.identifier.wosWOS:001065274800001en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofEngineering Failure Analysisen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCantilever Wallen_US
dc.subjectDrainage Systemen_US
dc.subjectEarthquakeen_US
dc.subjectGround Wateren_US
dc.subjectStability Analysisen_US
dc.titleLocal site conditions and hydromechanical effects in service life of cantilever retaining wallsen_US
dc.typeArticleen_US

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