Empirical model for predicting the mechanical properties of confined concrete

Vintzileou, E; Malliri, P

dc.contributor.author	Vintzileou, E	en
dc.contributor.author	Malliri, P	en
dc.date.accessioned	2014-03-01T01:14:23Z
dc.date.available	2014-03-01T01:14:23Z
dc.date.issued	1999	en
dc.identifier.issn	0024-9831	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/13038
dc.subject	confined concrete	en
dc.subject	hoops	en
dc.subject	spirals	en
dc.subject.classification	Construction & Building Technology	en
dc.subject.classification	Materials Science, Multidisciplinary	en
dc.subject.other	Concrete reinforcements	en
dc.subject.other	Mathematical models	en
dc.subject.other	Steel	en
dc.subject.other	Strain	en
dc.subject.other	Strength of materials	en
dc.subject.other	Yield stress	en
dc.subject.other	Confined concrete	en
dc.subject.other	Empirical models	en
dc.subject.other	Concretes	en
dc.title	Empirical model for predicting the mechanical properties of confined concrete	en
heal.type	journalArticle	en
heal.identifier.primary	10.1680/macr.1999.51.5.353	en
heal.identifier.secondary	http://dx.doi.org/10.1680/macr.1999.51.5.353	en
heal.language	English	en
heal.publicationDate	1999	en
heal.abstract	This paper presents an empirical model for the calculation of the main characteristics of concrete confined by means of hoops or spirals. The model included in CEB-FIP Model Code 1990 was initially used as a basis; its validity was checked against experimental results provided by 17 researchers for more than 300 specimens. Since the comparison showed that the model fails to predict accurately, especially the strain at strength and the ultimate strain of confined concrete, modified formulae are proposed taking into account additional parameters which affect the characteristics of confined concrete, for example unconfined concrete strength. The comparison between experimental values of strength and strains and those predicted using the modified empirical model proves to be satisfactory. The relatively large scatter associated mainly with strain values, as well as the reliability of the available experimental results, is discussed.	en
heal.publisher	Thomas Telford Services Ltd, London, United Kingdom	en
heal.journalName	Magazine of Concrete Research	en
dc.identifier.doi	10.1680/macr.1999.51.5.353	en
dc.identifier.isi	ISI:000082978500006	en
dc.identifier.volume	51	en
dc.identifier.issue	5	en
dc.identifier.spage	353	en
dc.identifier.epage	364	en