Experimental investigations of backfill conditions on the performance of high-density polyethelene pipes

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dc.contributor.authorTerzi, Niyazi Uğur
dc.contributor.authorYılmaztürk, Ferruh
dc.contributor.authorYıldırım, Sönmez
dc.contributor.authorKılıç, Havvanur
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-29T19:28:29Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-29T19:28:29Z
dc.date.issued2012
dc.departmentMühendislik Fakültesi
dc.description.abstractIn this study, a series of laboratory tests on 100-mm-diameter high-density polyethylene (HDPE) 100 PE flexible pipe buried in poorly graded Sile quartz sand with different relative densities are described. The laboratory tests were performed in a 40-mm-thick plexiglass fronted test tank that replicated a classical trench section in field conditions. The HDPE flexible pipe was positioned against the glass with its longitudinal axis perpendicular to the glass. This allowed direct observation of the backfillpipe interactions. Three high-definition photogrammetric cameras were used to capture the photogrammetric images through the glass allowing the discrete measurement and image processing of the deformation patterns of the pipe conduit during the pipe installation and incremental surcharge loading. Vertical loads were applied in increments of 10150 kPa using air pressure membranes. Electric resistant strain gauges measured the bending moments of the pipe walls under vertical surcharge loadings. For each loading step, the vertical deformation of the pipe crown was also measured using linear position transducers. According to the test results, it is understood that the installation technique and backfill relative density have an important effect on circumferential strains, performance, and deformation characteristics of HDPE pipes. It was also observed that close-range image processing is a very simple and appropriate method for measuring three-dimensional pipe deformations under various conditions.
dc.description.sponsorshipTUBITAK [104I107]
dc.description.sponsorshipThis study is supported by the TUBITAK 104I107 project.
dc.identifier.doi10.1111/j.1747-1567.2010.00691.x
dc.identifier.endpage49en_US
dc.identifier.issn0732-8818
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ2
dc.identifier.startpage40en_US
dc.identifier.urihttps://doi.org/10.1111/j.1747-1567.2010.00691.x
dc.identifier.urihttps://hdl.handle.net/20.500.12451/6046
dc.identifier.volume36en_US
dc.identifier.wosWOS:000301574000007
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley-Blackwell
dc.relation.ispartofExperimental Techniques
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectSoil-Pipe Interaction
dc.subjectLaboratory Soil Box Test
dc.subjectClose-Range Photogrammetry
dc.titleExperimental investigations of backfill conditions on the performance of high-density polyethelene pipes
dc.typeArticle

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