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dc.contributor.authorElkezza, O.
dc.contributor.authorMohamed, Mostafa H.A.
dc.contributor.authorKhan, Amir
dc.date.accessioned2022-03-21T15:37:25Z
dc.date.accessioned2022-03-22T16:33:48Z
dc.date.available2022-03-21T15:37:25Z
dc.date.available2022-03-22T16:33:48Z
dc.date.issued2022-01
dc.identifier.citationElkezza O, Mohamed M and Khan A (2022) Performance of thermally enhanced geo-energy piles and walls. Geothermics. 98: 102274.en_US
dc.identifier.urihttp://hdl.handle.net/10454/18799
dc.descriptionYesen_US
dc.description.abstractThis study aims to evaluate the impacts of using thermally enhanced concrete on the thermal performance of geoenergy structures and interaction between the thermo-active-structures and adjacent dry and partly saturated soils. Experiments using a fully instrumented testing rig were carried out on prototypes of energy pile and diaphragm wall made from normal concrete and thermally enhanced concrete by the addition of graphTHERM powder. Results illustrated that adding 36% of graphTHERM powder to the concrete by weight of cement was found to double the thermal conductivity of concrete and improve the stiffness by 15% without detrimental effects on the compressive strength. The heat transfer efficiency of energy pile and energy diaphragm wall made from thermally enhanced concrete was significantly improved by 50% and 66% respectively, in comparison with the efficiency of the same type of energy structure that was made from a typical normal concrete.en_US
dc.language.isoenen_US
dc.relation.isreferencedbyhttps://doi.org/10.1016/j.geothermics.2021.102274en_US
dc.rights© 2021 Elsevier Ltd. All rights reserved. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.en_US
dc.subjectThermally enhanced concreteen_US
dc.subjectEnergy pile efficiencyen_US
dc.subjectEnergy diaphragm wallen_US
dc.subjectThermal conductivity of concreteen_US
dc.titlePerformance of thermally enhanced geo-energy piles and wallsen_US
dc.status.refereedYesen_US
dc.date.Accepted2021-10-12
dc.date.application2021-10-30
dc.typeArticleen_US
dc.date.EndofEmbargo2023-10-30
dc.type.versionAccepted manuscripten_US
dc.description.publicnotesThe full-text of this article will be released for public view at the end of the publisher embargo on 30 Oct 2023.en_US
dc.rights.licenseCC-BY-NC-NDen_US
dc.date.updated2022-03-21T15:37:48Z
refterms.dateFOA2022-03-22T16:34:18Z
dc.openaccess.statusembargoedAccessen_US


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