Estimating the temperature on the reinforcing bars of composite slabs under fire conditions

Balsa, Carlos; Piloto, Paulo A.G.

Publication

Estimating the temperature on the reinforcing bars of composite slabs under fire conditions

2022Conference paper

dc.contributor.author	Balsa, Carlos
dc.contributor.author	Piloto, Paulo A.G.
dc.date.accessioned	2023-02-28T15:50:26Z
dc.date.available	2023-02-28T15:50:26Z
dc.date.issued	2022
dc.description.abstract	A three-dimensional computational model based on finite elements was developed to evaluate the thermal behaviour of composite slabs with steel deck exposed to a standard fire. The resulting numerical temperatures are then used to obtain a new analytical method, which is an alternative to the simplified method provided by the standard, to accurately determine the temperatures at the reinforcing bars (rebar). The fitting of the analytical model to the numerical data was done by solving a linear least squares problem using the singular value decomposition. The resulting formula fits very well the numerical data, allowing to make predictions of the temperature in the rebar with an approximation error equal to zero and an estimating error at least 77% lower than that obtained with the proposal included in the standard.	pt_PT
dc.description.version	info:eu-repo/semantics/publishedVersion	pt_PT
dc.identifier.citation	Balsa, Carlos; Piloto, Paulo A.G. (2022). Estimating the temperature on the reinforcing bars of composite slabs under fire conditions. In 21st EPIA Conference on Artificial Intelligence, EPIA 2022. Lisbon	pt_PT
dc.identifier.doi	10.1007/978-3-031-16474-3_1	pt_PT
dc.identifier.uri	http://hdl.handle.net/10198/27321
dc.language.iso	eng	pt_PT
dc.peerreviewed	yes	pt_PT
dc.publisher	Springer	pt_PT
dc.rights.uri	http://creativecommons.org/licenses/by/4.0/	pt_PT
dc.subject	Transient heat transfer problem	pt_PT
dc.subject	Computational simulation	pt_PT
dc.subject	Concrete-steel slab	pt_PT
dc.subject	Fire rating	pt_PT
dc.subject	Least squares method	pt_PT
dc.subject	Singular value decomposition	pt_PT
dc.title	Estimating the temperature on the reinforcing bars of composite slabs under fire conditions	pt_PT
dc.type	conference paper
dspace.entity.type	Publication
oaire.citation.conferencePlace	Lisbon	pt_PT
oaire.citation.endPage	14	pt_PT
oaire.citation.startPage	3	pt_PT
oaire.citation.title	21st EPIA Conference on Artificial Intelligence, EPIA 2022	pt_PT
person.familyName	Balsa
person.familyName	Piloto
person.givenName	Carlos
person.givenName	Paulo A.G.
person.identifier	1721518
person.identifier.ciencia-id	DE1E-2F7A-AAB1
person.identifier.ciencia-id	0519-449D-6F13
person.identifier.orcid	0000-0003-2431-8665
person.identifier.orcid	0000-0003-2834-0501
person.identifier.rid	M-8735-2013
person.identifier.rid	B-4866-2008
person.identifier.scopus-author-id	23391719100
person.identifier.scopus-author-id	6506406159
rcaap.rights	restrictedAccess	pt_PT
rcaap.type	conferenceObject	pt_PT
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