Numerical study of electro-osmotic consolidation effect on pipe-soil interaction

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dc.contributor.authorJoshua, Hakuri Nwen
dc.contributor.authorKara, Fuat
dc.date.accessioned2018-04-25T15:08:32Z
dc.date.available2018-04-25T15:08:32Z
dc.date.issued2018-03-05
dc.description.abstractSubsea pipelines are laid directly on seabed with further constraining measures to stabilise it against adverse effect of axial walking, upheaval buckling and lateral buckling. Costly mitigating measures are being employed and the need for further investigation to explore more option is considered. Stability of soil depends on the soil strength. Increasing the soil strength has been identified as a possible mitigation against pipeline displacement. Electro-osmotic consolidation process is currently being employed to increase soil strength around offshore and onshore structures, but the effect on pipe-soil interaction has not been fully investigated. This aspect received no attention on numerical model or detail experiment in this regard. The present study numerically investigates the effect of pipe-soil interaction using capabilities of commercial ABAQUS finite element software tool on both Electro-Kinetic (EK) treated and untreated soil to determine their behaviours. Results from this study when compared with non-EK treated soil, indicates remarkable developments, as the force required to displace pipeline increases significantly due to EK treatment.en_UK
dc.identifier.citationJoshua HN, Kara F, (2018) Numerical study of electro-osmotic consolidation effect on pipe-soil interaction. Applied Ocean Research, Volume 74, May 2018, pp. 11-27en_UK
dc.identifier.issn0141-1187
dc.identifier.urihttp://dx.doi.org/10.1016/j.apor.2018.02.011
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13170
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectDisplacementen_UK
dc.subjectConsolidationen_UK
dc.subjectPore pressureen_UK
dc.subjectEffective stressen_UK
dc.subjectFinite elementen_UK
dc.subjectElectro-osmosis electro-kineticen_UK
dc.subjectElectrodesen_UK
dc.titleNumerical study of electro-osmotic consolidation effect on pipe-soil interactionen_UK
dc.typeArticleen_UK

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