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Concrete Early-Age Crack Closing by Autogenous Healing

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Concrete Early-Age Crack Closing by Autogenous Healing

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dc.contributor.author Roig-Flores, Marta es_ES
dc.contributor.author Serna Ros, Pedro es_ES
dc.date.accessioned 2021-03-03T04:32:04Z
dc.date.available 2021-03-03T04:32:04Z
dc.date.issued 2020-06 es_ES
dc.identifier.uri http://hdl.handle.net/10251/162866
dc.description.abstract [EN] Autogenous healing is mainly produced by continuing hydration or carbonation. The aim of this research is to quantify the crack closing produced by autogenous healing for early-age concrete. This healing was evaluated for two crack size levels, 0.1 mm and 0.4 mm, under three healing conditions: water immersion, a humidity chamber, and wet/dry cycles. Crack closing was evaluated after 7, 14, 28 and 42 days under healing conditions. The internal status of the cracks was verified visually and using phenolphthalein. The results show that specimens stored in the humidity chamber did not experience healing, while specimens under wet/dry cycles and water immersion achieved the complete closing of small-sized cracks (under 0.15 mm). Autogenous healing showed higher speed under wet/dry cycles but higher final efficiency under water immersion. However, the inspection of the interior of the specimens showed that self-closing occurred mostly on the surface, and carbonation in the crack faces was only noticed very near the specimen's surface. Additionally, this study proposes a preliminary strategy to model autogenous healing in concrete in terms of crack closing. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Sustainability es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Autogenous healing es_ES
dc.subject Carbonation es_ES
dc.subject Crack closing es_ES
dc.subject Self-healing concrete es_ES
dc.subject.classification INGENIERIA DE LA CONSTRUCCION es_ES
dc.title Concrete Early-Age Crack Closing by Autogenous Healing es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/su12114476 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería de la Construcción y de Proyectos de Ingeniería Civil - Departament d'Enginyeria de la Construcció i de Projectes d'Enginyeria Civil es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Ciencia y Tecnología del Hormigón - Institut de Ciència i Tecnologia del Formigó es_ES
dc.description.bibliographicCitation Roig-Flores, M.; Serna Ros, P. (2020). Concrete Early-Age Crack Closing by Autogenous Healing. Sustainability. 12(11):1-16. https://doi.org/10.3390/su12114476 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/su12114476 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 16 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 12 es_ES
dc.description.issue 11 es_ES
dc.identifier.eissn 2071-1050 es_ES
dc.relation.pasarela S\429511 es_ES
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