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Applicability study os the oedometer test to a silty sand

2019Conference object Open access
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dc.contributor.authorPaula, António Miguel
dc.contributor.authorGonçalves, José
dc.contributor.authorBatista, José
dc.contributor.authorBraz-César, Manuel
dc.contributor.authorFreitas, Bruno Afonso
dc.date.accessioned2020-05-05T10:07:22Z
dc.date.available2020-05-05T10:07:22Z
dc.date.issued2019
dc.description.abstractThis paper exposes the applicability study of the oedometer test to an existing silty sand soil, from the city of Braganza, with the purpose to verify the applicability of this test to soils with fines in his composition, in a region with predominance of granite residual soils, considering that the granulometric curve of these soils are substantially different from the granulometric curves of the soils that are usually tested. For this, two types of soils were collected, namely intact samples of a silty sand, and a disturbed soil sample whose grains size distribution curve built into laboratory corresponds to a high plasticity silt. Due to the greater predominance of fines in the high plasticity silt, the mechanical behaviour of this soil, more conditioned by forces of an electrochemical nature, serves as a comparative term to the mechanical behaviour of the undisturbed samples of the silty sand, with a behaviour less dependent on these forces, thus allowing to show applicability of the test to soils with lower percentage of fines, with a more pronounced gravitational behaviour and, therefore, more atypical to the oedometer test. From the results obtained for silty sand, a high value of the immediate settlement was verified after each applied load cycle. Thus this observation, the beginning of the consolidation process demands high accurate recording of the settlement that clearly identify the time that primary consolidation begins. In this way, the implementation of the data acquisition system, allowing the correct reading of the consolidation beginning, minimizing human errors, expands the spectrum of soils existing in the region that can be study by the consolidation problematics point of view.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPaula, António Miguel; Gonçalves, José; Batista, José; Braz-César, M.T.; Freitas, Bruno Afonso (2019). Applicability study os the oedometer test to a silty sand. In International Congress on Engineering University of Beira Interior – Engineering for Evolution 2019. Universidade da Beira Interior, Covilhãpt_PT
dc.identifier.isbn978-989-654-615-1
dc.identifier.issn2183-9891
dc.identifier.urihttp://hdl.handle.net/10198/21917
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectGeotechnical characterizationpt_PT
dc.subjectOedometer testpt_PT
dc.subjectMechanical behavior of soilspt_PT
dc.subjectLaboratory testspt_PT
dc.titleApplicability study os the oedometer test to a silty sandpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceUniversidade da Beira Interior, Covilhãpt_PT
oaire.citation.endPage104pt_PT
oaire.citation.startPage104pt_PT
oaire.citation.titleINTERNATIONAL CONGRESS ON ENGINEERING UNIVERSITY OF BEIRA INTERIOR – ENGINEERING FOR EVOLUTION 2019pt_PT
person.familyNamePaula
person.familyNameGonçalves
person.familyNameBatista
person.familyNameBraz-César
person.givenNameAntónio Miguel
person.givenNameJosé
person.givenNameJosé
person.givenNameManuel
person.identifierR-000-7ZW
person.identifier.ciencia-idD115-1763-07B0
person.identifier.ciencia-id8112-DCE2-D025
person.identifier.ciencia-id5C10-B764-22E3
person.identifier.orcid0000-0003-4788-8644
person.identifier.orcid0000-0002-5499-1730
person.identifier.orcid0000-0003-0344-3336
person.identifier.orcid0000-0001-5640-0714
person.identifier.ridB-8547-2018
person.identifier.scopus-author-id48361230200
person.identifier.scopus-author-id20435350700
person.identifier.scopus-author-id53663179600
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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