Decoupling criteria for inelastic irregular primary/secondary structural systems subject to seismic excitation

Papageorgiou, AV; Gantes, CJ

dc.contributor.author	Papageorgiou, AV	en
dc.contributor.author	Gantes, CJ	en
dc.date.accessioned	2014-03-01T01:33:06Z
dc.date.available	2014-03-01T01:33:06Z
dc.date.issued	2010	en
dc.identifier.issn	0733-9399	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/20323
dc.subject	Decoupling error	en
dc.subject	Inelasticity	en
dc.subject	Secondary systems	en
dc.subject.classification	Engineering, Mechanical	en
dc.subject.other	Damping ratio	en
dc.subject.other	Decoupling error	en
dc.subject.other	Design codes	en
dc.subject.other	Dynamic characteristics	en
dc.subject.other	Error levels	en
dc.subject.other	Inelastic materials	en
dc.subject.other	Inelastic time-history analysis	en
dc.subject.other	Inelasticity	en
dc.subject.other	Secondary system	en
dc.subject.other	Seismic analysis	en
dc.subject.other	Seismic excitations	en
dc.subject.other	Structural systems	en
dc.subject.other	Dynamic response	en
dc.subject.other	Seismology	en
dc.subject.other	Seismic design	en
dc.subject.other	damping	en
dc.subject.other	dynamic response	en
dc.subject.other	numerical model	en
dc.subject.other	seismic design	en
dc.subject.other	seismic response	en
dc.subject.other	structural analysis	en
dc.title	Decoupling criteria for inelastic irregular primary/secondary structural systems subject to seismic excitation	en
heal.type	journalArticle	en
heal.identifier.primary	10.1061/(ASCE)EM.1943-7889.0000166	en
heal.identifier.secondary	http://dx.doi.org/10.1061/(ASCE)EM.1943-7889.0000166	en
heal.identifier.secondary	002010QEM	en
heal.language	English	en
heal.publicationDate	2010	en
heal.abstract	The present work deals with the dynamic response of structures that are irregular in height, consisting of two parts, a lower part made of concrete and an upper part made of steel. Irregularity is due to different dynamic responses of the two parts, here expressed by their different damping ratios and inelastic material laws. The seismic design of such structures is not satisfactorily covered by current design codes, especially if a decoupled procedure is chosen for the analysis, where the lower part is excited first and its response is used as excitation for the upper part. The present paper aims at contributing toward better understanding of the interaction between the two parts and at proposing improved decoupling criteria for the seismic analysis of inelastic primary-secondary systems. Toward that goal, each part is modeled as a one-degree-of-freedom system, and the maximum responses of coupled and decoupled inelastic time history analyses are compared over a wide range of dynamic characteristics and strength levels of the two parts. The results are presented in the form of error levels between the two alternative analysis procedures. © 2010 ASCE.	en
heal.publisher	ASCE-AMER SOC CIVIL ENGINEERS	en
heal.journalName	Journal of Engineering Mechanics	en
dc.identifier.doi	10.1061/(ASCE)EM.1943-7889.0000166	en
dc.identifier.isi	ISI:000282843700005	en
dc.identifier.volume	136	en
dc.identifier.issue	10	en
dc.identifier.spage	1234	en
dc.identifier.epage	1247	en