Relative Compressive Strength of Concretes under Elevated Temperatures

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dc.contributor.authorOzbay, Erdogan
dc.contributor.authorLachemi, Mohamed
dc.date.accessioned2024-09-18T20:11:41Z
dc.date.available2024-09-18T20:11:41Z
dc.date.issued2012
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe effects of aggregate type (AT), test type (TT), maximum exposure temperature (MET), and compressive strength before fire (CSBF) on the relative strength (RS) of concrete have been thoroughly explored. For this purpose, the worldwide database of experimental research results of temperature-dependent properties of unreinforced concrete compiled by Knaack et al. was used to generate training and testing data sets to construct closed-form solutions for the neural network (NN). The AT, TT, MET, and CSBF were used as input parameters and relative compressive strength was used as the output parameter of the NN model. The results were used to develop predictive relationships for compressive strength loss under fire and for comparison with the models proposed by ACI 216.1-07 and Knaack et al. A sensitivity study of the parameters was also carried out, and the underlying complex nonlinear relationships among these parameters were investigated. Through the results of modeling and simulation studies, it was demonstrated that a single NN-based explicit equation can be obtained and used to define the RS of concrete exposed to fire.en_US
dc.identifier.endpage175en_US
dc.identifier.issn0889-325X
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-84864189519en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage165en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12483/9020
dc.identifier.volume109en_US
dc.identifier.wosWOS:000302670800005en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAmer Concrete Insten_US
dc.relation.ispartofAci Materials Journalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectcompressive strengthen_US
dc.subjectelevated temperatureen_US
dc.subjecthigh temperatureen_US
dc.subjectmodelingen_US
dc.subjectneural networken_US
dc.titleRelative Compressive Strength of Concretes under Elevated Temperaturesen_US
dc.typeArticleen_US

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