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dc.contributor.authorFuente, Martaes_ES
dc.contributor.authorMuñoz, Eduardoes_ES
dc.contributor.authorSicilia, Isabeles_ES
dc.contributor.authorGoggins, Jamiees_ES
dc.contributor.authorHung, Le Chies_ES
dc.contributor.authorFrutos Vázquez, Borjaes_ES
dc.contributor.authorFoley, Markes_ES
dc.date.accessioned2020-05-08T07:09:02Z-
dc.date.available2020-05-08T07:09:02Z-
dc.date.issued2019-
dc.identifier.citationJournal of Environmental Radioactivity 198: 200-209 (2019)es_ES
dc.identifier.issn0265-931X-
dc.identifier.urihttp://hdl.handle.net/10261/210780-
dc.description.abstractThe purpose of this study is to investigate gas flow through different types of granular fill materials and soil by means of a series of experimental laboratory tests, in relation to soil depressurisation systems for radon reduction under buildings and the soil surrounding the foundation. Gas permeability characterisation of materials used as granular fill material beneath the slab in buildings is a key parameter for the optimum performance of soil depressurisation systems to mitigate radon. A test apparatus was developed, adapted from previous studies, to measure the gas permeability of the samples and Finite Element Method numerical simulations were validated to simulate the flow behaviour through them. Theoretical expressions for permeability were discussed based on the analysis of experimental results and numerical simulations, finding that Darcy-Forchheimer equation provides the best match to the experimental results. Darcy's law also proved to be suitable for low gas velocities, whereas Ergun's equation resulted in a poor fit of the experimental data. Benchmark analysis of the granular fill materials under study and other European standards (Spanish, Irish and British) is also presented.es_ES
dc.description.sponsorshipThis research was supported by the OPTI-SDS project, funded by the Irish Environmental Protection Agency [project code 2015-HW-MS-5], and the Spanish National Research Council [BIA2014-58887-R]. The work was performed in the Eduardo Torroja Institute for Construction Science (IETCC), Spain in collaboration with National University of Ireland, Galway.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationMINECO/ICTI2013-2016/BIA2014-58887-Res_ES
dc.relation.isversionofPreprint-
dc.rightsopenAccesses_ES
dc.subjectGranular fill materialses_ES
dc.subjectPermeabilityes_ES
dc.subjectRadones_ES
dc.subjectSoil depressurisation systemes_ES
dc.titleInvestigation of gas flow through soils and granular fill materials for the optimisation of radon soil depressurisation systemses_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1016/j.jenvrad.2018.12.024-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.jenvrad.2018.12.024es_ES
dc.identifier.e-issn1879-1700-
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)es_ES
dc.contributor.funderNational University of Irelandes_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100009770es_ES
dc.identifier.pmid30640034-
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