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dc.contributor.authorBernat Masó, Ernest
dc.contributor.authorTeneva, Elitsa
dc.contributor.authorMercedes Cedeño, Luis Enrique
dc.contributor.authorGil Espert, Lluís
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria
dc.date.accessioned2021-12-14T15:54:18Z
dc.date.issued2021
dc.identifier.citationBernat, E. [et al.]. Non-destructive techniques for characterising earthen structures. A: International Conference on Structural Analysis of Historical Constructions. "SAHC 2021: 12th International Conference on Structural Analysis of Historical Constructions". Barcelona: International Centre for Numerical Methods in Engineering (CIMNE), 2021, p. 746-756. ISBN 978-84-123222-0-0.
dc.identifier.isbn978-84-123222-0-0
dc.identifier.urihttp://hdl.handle.net/2117/358402
dc.description.abstractEarthen architecture is one of the most relevant building technologies among heritage structures. However, mechanical properties are commonly obtained from destructive tests. To contribute at changing this trend, two non-destructive mechanical techniques (ultrasound and modal analysis) are studied to determine their ability at characterizing earthen materials and their possible correlation. To achieve these purposes, twenty cubic-shaped earthen specimens were produced for testing the capability of ultrasound transmission method to control moisture content and its evolution during drying process at different environments. Additionally, a real-scale rammed earth wall was built to assess the feasibility of using ultrasound technique to determine elastic dynamic Young modulus. This analysis was validated by indirect comparison with experimental modal analysis test results. The most important findings are that the relationship between moisture content and ultrasound transmission speed is linear. This information is useful to control the drying process of earthen materials and to control the moisture content distribution on larger in-service structures. Finally, numerical simulation using ultrasound transmission data as input information allow to predict the vibrational response of the tested wall with an error around 3%.
dc.format.extent11 p.
dc.language.isoeng
dc.publisherInternational Centre for Numerical Methods in Engineering (CIMNE)
dc.subjectÀrees temàtiques de la UPC::Enginyeria dels materials
dc.subject.lcshElasticity
dc.subject.lcshUltrasonics
dc.subject.lcshEarth construction
dc.subject.otherUltrasound transmission method
dc.subject.otherRammed earth
dc.subject.otherYoung’s modulus
dc.subject.otherModal analysis. Non-Destructive Inspection
dc.titleNon-destructive techniques for characterising earthen structures
dc.typeConference lecture
dc.subject.lemacElasticitat
dc.subject.lemacUltrasons
dc.subject.lemacConstrucció en terra
dc.contributor.groupUniversitat Politècnica de Catalunya. LITEM - Laboratori per a la Innovació Tecnològica d'Estructures i Materials
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://congress.cimne.com/SAHC2020/frontal/doc/Ebook_SAHC2020.pdf
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac32065265
dc.description.versionPostprint (published version)
dc.date.lift10000-01-01
local.citation.authorBernat, E.; Teneva, E.; Mercedes; Gil, L.
local.citation.contributorInternational Conference on Structural Analysis of Historical Constructions
local.citation.pubplaceBarcelona
local.citation.publicationNameSAHC 2021: 12th International Conference on Structural Analysis of Historical Constructions
local.citation.startingPage746
local.citation.endingPage756


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