Joining fragmented epistyles using threaded titanium bars: A numerical analysis

Ganniari-Papageorgiou, E

dc.contributor.author	Ganniari-Papageorgiou, E	en
dc.date.accessioned	2014-03-01T01:30:58Z
dc.date.available	2014-03-01T01:30:58Z
dc.date.issued	2009	en
dc.identifier.issn	0039-2103	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/19696
dc.subject	Epistyles	en
dc.subject	Finite elements	en
dc.subject	Marble	en
dc.subject	Monuments	en
dc.subject	Restoration	en
dc.subject	Titanium	en
dc.subject.classification	Materials Science, Characterization & Testing	en
dc.subject.other	Bilinear materials	en
dc.subject.other	Cementitious materials	en
dc.subject.other	Conservation projects	en
dc.subject.other	Epistyles	en
dc.subject.other	Exact geometry	en
dc.subject.other	Finite elements	en
dc.subject.other	Mechanical behaviour	en
dc.subject.other	Monuments	en
dc.subject.other	Numerical models	en
dc.subject.other	Prismatic beam	en
dc.subject.other	Rectangular cross-sections	en
dc.subject.other	Stress and strain	en
dc.subject.other	Cements	en
dc.subject.other	Conservation	en
dc.subject.other	Marble	en
dc.subject.other	Materials properties	en
dc.subject.other	Mechanical properties	en
dc.subject.other	Restoration	en
dc.subject.other	Titanium	en
dc.title	Joining fragmented epistyles using threaded titanium bars: A numerical analysis	en
heal.type	journalArticle	en
heal.identifier.primary	10.1111/j.1475-1305.2008.00507.x	en
heal.identifier.secondary	http://dx.doi.org/10.1111/j.1475-1305.2008.00507.x	en
heal.language	English	en
heal.publicationDate	2009	en
heal.abstract	The mechanical behaviour of marble architraves, restored with titanium bars and suitable cementitious material, is studied with the aid of the finite-element method. The study was motivated by the needs of the conservation project in progress on the Parthenon Temple of the Acropolis of Athens. A realistic numerical model was created taking into account the exact geometry of the threaded bars as well as the exact mechanical properties of the materials involved. The architrave was considered as a prismatic beam of rectangular cross section, centrally fractured and restored with one threaded titanium bar. The bar was inserted in a hole of slightly greater diameter drilled in the member and filled with suitable cementitious material. In this way, a sequence of three materials appears (marble-cement-titanium) giving birth to two interfaces (marble-cement and cement-titanium). Emphasis was given to the influence of the cement layer on the stress and strain fields. The cement was modelled as either linear or bilinear material and the analysis indicated the crucial role of this layer for the drastic reduction in the strain discontinuities. © 2009 Blackwell Publishing Ltd.	en
heal.publisher	WILEY-BLACKWELL PUBLISHING, INC	en
heal.journalName	Strain	en
dc.identifier.doi	10.1111/j.1475-1305.2008.00507.x	en
dc.identifier.isi	ISI:000269708100007	en
dc.identifier.volume	45	en
dc.identifier.issue	5	en
dc.identifier.spage	445	en
dc.identifier.epage	455	en