Study on the Constitutive Relationship between Ordinary Concrete and Nano-Titanium Dioxide-Modified Concrete at High Temperature

dc.contributor.authorWu, Dongpeng
dc.contributor.authorWang, Zhicheng
dc.contributor.authorPan, Yungui
dc.contributor.authorHuang, Jian
dc.contributor.authorFernández-Steeger, Tomás Manuel
dc.contributor.authorXu, Chao
dc.contributor.authorTang, Xinlong
dc.contributor.authorLong, Zhiyu
dc.contributor.authorTang, Yufei
dc.date.accessioned2023-08-11T15:42:39Z
dc.date.available2023-08-11T15:42:39Z
dc.date.issued2023-07-09
dc.date.updated2023-08-09T12:23:52Z
dc.description.abstractAfter high-temperature treatment, both nano-titanium dioxide-modified concrete and ordinary concrete exhibit typical splitting failure. High-temperature heating reduces the mechanical properties and brittleness of concrete and improves the ductility of concrete. The stress–strain relationship of the specimens was obtained through the uniaxial compression test of ordinary concrete and nano-titanium dioxide-modified concrete cube specimens under normal temperature and high-temperature conditions. In addition, the relationship between temperature and damage variables was established, and the unified constitutive model containing damage variables after room temperature and high-temperature treatment of ordinary concrete and nano-titanium dioxide-modified concrete were established. It provides a reference for future research on the mechanical properties of high-performance concrete structures after high temperatures (fire).en
dc.identifier.eissn1996-1944
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/19749
dc.identifier.urihttps://doi.org/10.14279/depositonce-18548
dc.language.isoen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc500 Naturwissenschaften und Mathematik::550 Geowissenschaften, Geologie::551 Geologie, Hydrologie, Meteorologie
dc.subject.ddc600 Technik, Medizin, angewandte Wissenschaften::620 Ingenieurwissenschaften::620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
dc.subject.otherconcrete
dc.subject.othernano SiO2
dc.subject.otherhigh temperature
dc.subject.otherstress–strain relationship
dc.subject.otherdamage model
dc.titleStudy on the Constitutive Relationship between Ordinary Concrete and Nano-Titanium Dioxide-Modified Concrete at High Temperature
dc.typeArticle
dc.type.versionpublishedVersion
dcterms.bibliographicCitation.articlenumber4910
dcterms.bibliographicCitation.doi10.3390/ma16144910
dcterms.bibliographicCitation.issue14
dcterms.bibliographicCitation.journaltitleMaterials
dcterms.bibliographicCitation.originalpublishernameMDPI
dcterms.bibliographicCitation.originalpublisherplaceBasel
dcterms.bibliographicCitation.volume16
dcterms.rightsHolder.referenceCreative-Commons-Lizenz
tub.accessrights.dnbfree
tub.affiliationFak. 6 Planen Bauen Umwelt::Inst. Angewandte Geowissenschaften::FG Ingenieurgeologie
tub.publisher.universityorinstitutionTechnische Universität Berlin

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