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Cracking and desiccation of water treatment sludge for incorporation into soils for alternative liner material production

2023-07Conference object Open access
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dc.contributor.authorMarchiori, Leonardo
dc.contributor.authorMorais, Maria Vitoria
dc.contributor.authorAlbuquerque, Antonio
dc.contributor.authorFerreira-Gomes, L.M.
dc.contributor.authorCavaleiro, Victor
dc.date.accessioned2024-01-04T17:27:47Z
dc.date.available2024-01-04T17:27:47Z
dc.date.issued2023-07
dc.description.abstractCracks may lead to hydraulic failure in soils due to increase of hydraulic conductivity which facilitate water infiltration, impacting negatively for liner materials. Therefore, cracking and desiccation investigation on liner material is advised. Water treatment sludge (WTS) is a by-product resulting from water treatment plants, and it seems to be suitable for geotechnical applications and soil replacement due to hydraulic latent properties, chemical similarities to soils, and mechanical behaviour. In this work WTS samples were incorporated into soil in different ratios – 05%; 10%; 15% and 20% of waste in dried mass of the geocomposites. The four mixtures, a soil sample and a WTS were tested according to the following procedure: two different circular Petri dishes samples were used, 5mm(H5) and 10mm(H10), and two cylindrical compacted samples with 65-70mm of diameter and 20-140mm of height (EDO-TRI, respectively) - dried for 10 days in controlled temperature and humidity. Water release curves (WRC), digital images correlation supported Crack Intensity Factor (CIF) index results were obtained for each material. Cracking behaviour results were compared with the permeability through falling head laboratorial tests, and studies around WTS ratio. Composites with 10% and 15% had the best results, showing no cracks during Petri dishes procedures for H10, in addition, the permeability for these materials reached the maximum for liner production – 10-9 m/s according to European and American directives - making possible the development of an alternative and feasible liner material.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMarchiori, L., Morais, M.V.; Albuquerque, Ferreira-Gomes, L.; A., Cavaleiro, V. (2023). Cracking and desiccation of water treatment sludge for incorporation into soils for alternative liner material production. Proceedings of 9th International Congress on Environmental Geotechnics, 322-331. Chania, Crete, Greece, 25-28 June 2023. doi: 10.53243/ICEG2023-142.pt_PT
dc.identifier.doi10.53243/ICEG2023-142pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/13859
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherISSMGEpt_PT
dc.relationGeoBioSciences GeoTechnologies and GeoEngineering
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectWater treatment sludgept_PT
dc.subjectLiner materialpt_PT
dc.subjectDesiccationpt_PT
dc.subjectSoil incorporationpt_PT
dc.subjectCrackingpt_PT
dc.titleCracking and desiccation of water treatment sludge for incorporation into soils for alternative liner material productionpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleGeoBioSciences GeoTechnologies and GeoEngineering
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04035%2F2020/PT
oaire.citation.conferencePlaceChania, Crete, Greecept_PT
oaire.citation.endPage331pt_PT
oaire.citation.startPage322pt_PT
oaire.citation.title9ICEG - 9th International Congress on Environmental Geotechnicspt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNamePerelló Marchiori
person.familyNameMorais
person.familyNameCarvalho de Albuquerque
person.familyNameFERREIRA GOMES
person.familyNameCavaleiro
person.givenNameLeonardo
person.givenNameMaria Vitoria
person.givenNameAntonio João
person.givenNameLUÍS MANUEL
person.givenNameVictor
person.identifier3o3aZYUAAAAJ&hl
person.identifier1284649
person.identifier2880071
person.identifier.ciencia-id3D13-5654-31BC
person.identifier.ciencia-id8418-29B1-002E
person.identifier.ciencia-id3319-F1FE-0DA8
person.identifier.ciencia-id3710-6FB3-5195
person.identifier.ciencia-id4A11-C370-B73C
person.identifier.orcid0000-0001-8825-2162
person.identifier.orcid0000-0003-3895-1672
person.identifier.orcid0000-0001-7099-0685
person.identifier.orcid0000-0002-9266-2938
person.identifier.ridC-9293-2009
person.identifier.scopus-author-id57345705800
person.identifier.scopus-author-id8892509700
person.identifier.scopus-author-id12794771400
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication38278aa9-a0bc-401e-a511-1a16cbf86e21
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