Loadbearing capacity of LSF walls under fire exposur

Piloto, P.A.G.; Khetata, Mohamed S.; Ramos Gavilán, Ana Belén

Publication

Loadbearing capacity of LSF walls under fire exposur

2018Journal article

dc.contributor.author	Piloto, P.A.G.
dc.contributor.author	Khetata, Mohamed S.
dc.contributor.author	Ramos Gavilán, Ana Belén
dc.date.accessioned	2020-04-15T13:52:06Z
dc.date.available	2020-04-15T13:52:06Z
dc.date.issued	2018
dc.description.abstract	Light steel frame (LSF) (LSF) and prefabricated panels are widely used in loadbearing walls, with direct application to steel framed buildings. These walls are made with steel cold formed sections (studs and tracks) using gypsum plasterboard and other material layers attached to the flanges and sometimes insulation material in the cavities. The fire resistance is usually provided by one or more layer of materials and or by the cavity insulation. This investigation evaluates the fire resistance of the loadbearing walls, from the point of view of insulation (I) and loadbearing capacity (R). Experimental results obtained from partition walls were used into the numerical model to accurately preview the cracking, falling off and the ignition of combustible material. The numerical model was validated under the same fire conditions. The loadbearing capacity is determined using this hybrid model. This model is able to predict an accurate fire resistance for any load level, taking into account the brittle behaviour of gypsum panels and the ignition of combustible materials. The loadbearing decreases with the increase of the load level. A new formula is presented to determine the critical average temperature of the LSF.	pt_PT
dc.description.version	info:eu-repo/semantics/publishedVersion	pt_PT
dc.identifier.citation	Piloto, P.A.G.; Khetata, Mohamed S.; Gavilán, Ana B.R. (2018). Loadbearing capacity of LSF walls under fire exposur. MATTER: International Journal of Science and Technology. ISSN 2454-5880. 4:3, p. 104 - 124	pt_PT
dc.identifier.doi	10.20319/mijst.2018.43.104124	pt_PT
dc.identifier.issn	2454-5880
dc.identifier.uri	http://hdl.handle.net/10198/21655
dc.language.iso	eng	pt_PT
dc.peerreviewed	yes	pt_PT
dc.rights.uri	http://creativecommons.org/licenses/by/4.0/	pt_PT
dc.subject	LSF walls	pt_PT
dc.subject	Fire resistance	pt_PT
dc.subject	Numerical simulation	pt_PT
dc.subject	Experimental tests	pt_PT
dc.title	Loadbearing capacity of LSF walls under fire exposur	pt_PT
dc.type	journal article
dspace.entity.type	Publication
oaire.citation.endPage	124	pt_PT
oaire.citation.issue	3	pt_PT
oaire.citation.startPage	104	pt_PT
oaire.citation.title	MATTER: International Journal of Science and Technology	pt_PT
oaire.citation.volume	4	pt_PT
person.familyName	Piloto
person.givenName	Paulo A.G.
person.identifier.ciencia-id	0519-449D-6F13
person.identifier.orcid	0000-0003-2834-0501
person.identifier.rid	B-4866-2008
person.identifier.scopus-author-id	6506406159
rcaap.rights	openAccess	pt_PT
rcaap.type	article	pt_PT
relation.isAuthorOfPublication	baaee084-ab97-4c95-b636-24ab6bab0e3e
relation.isAuthorOfPublication.latestForDiscovery	baaee084-ab97-4c95-b636-24ab6bab0e3e