A Numerical Investigation of Induced and Embedded Trench Installations for Large-Diameter Thermoplastic Pipes under High Fill Stresses

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dc.contributor.authorKılıç, Havvanur
dc.contributor.authorBiçer, Perihan
dc.contributor.authorBozkurt, Sercan
dc.date.accessioned2023-05-06T17:19:39Z
dc.date.available2023-05-06T17:19:39Z
dc.date.issued2023
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, İnşaat Mühendisliği Bölümü
dc.description.abstractThe induced trench installation method is applied by placing material with high compressibility on rigid pipes to reduce the earth pressures acting on them. Although the performance of this method for rigid pipes has been investigated, research on thermoplastic pipes is very limited. In this study, induced trench installation (ITI) and embedded trench installation (ETI) of large-diameter thermoplastic pipes subjected to high fill stresses were investigated by numerical analysis. The numerical model has been verified by considering the field experiments, and a series of analyses were carried out by placing Expanded Polystyrene Foam (EPS Geofoam) in ITI and ETI models. Pipe stresses and deflections were evaluated by considering the pipe diameter, stiffness, and backfill properties. The ITI and ETI models in thermoplastic pipes reduced the stresses acting on the pipes and increased the positive arching regardless of the deflection of the pipe. For pipes with an inner diameter of 0.762 to 1.524 m under 30 m of fill stress, approximately 1.5 to 3.0% deflection occurred. In the ETI model, the horizontal earth pressure in the spring line of the pipe decreased from 65 to 40% depending on the backfill type, and an approximately uniform stress distribution was formed around the pipe.
dc.identifier.doi10.3390/app13053040
dc.identifier.issn2076-3417
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85149967406
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.3390/app13053040
dc.identifier.urihttps://hdl.handle.net/20.500.11776/11916
dc.identifier.volume13
dc.identifier.wosWOS:000946872100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorBiçer, Perihan
dc.institutionauthorBozkurt, Sercan
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofApplied Sciences-Basel
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectthermoplastic pipe
dc.subjectnumerical analysis
dc.subjectEPS Geofoam
dc.subjectsoil arching
dc.subjectembedded trench
dc.subjectinduced trench
dc.subjectSoil-Structure Interaction
dc.subjectDensity Polyethylene Pipe
dc.subjectField Performance
dc.subjectEps Geofoam
dc.subjectEarth Pressures
dc.subjectBuried Pipes
dc.subjectBox Culverts
dc.subjectHdpe Pipes
dc.subjectReduction
dc.subjectDesign
dc.titleA Numerical Investigation of Induced and Embedded Trench Installations for Large-Diameter Thermoplastic Pipes under High Fill Stresses
dc.typeArticle

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