The bond mechanism in stone- or brick-to-grout interfaces

Vintzileou, EN; Adami, C-EN

dc.contributor.author	Vintzileou, EN	en
dc.contributor.author	Adami, C-EN	en
dc.date.accessioned	2014-03-01T01:32:03Z
dc.date.available	2014-03-01T01:32:03Z
dc.date.issued	2009	en
dc.identifier.issn	0039-2103	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/20038
dc.subject	Bond strength	en
dc.subject	Historic masonries	en
dc.subject	Hydraulic-lime grout	en
dc.subject	Tripartite grout	en
dc.subject.classification	Materials Science, Characterization & Testing	en
dc.subject.other	Beneficial effects	en
dc.subject.other	Binding properties	en
dc.subject.other	Bond mechanism	en
dc.subject.other	Bond strength	en
dc.subject.other	Cement grouts	en
dc.subject.other	Cement-based	en
dc.subject.other	Composite specimens	en
dc.subject.other	Compression and shear	en
dc.subject.other	Experimental research	en
dc.subject.other	Historic masonries	en
dc.subject.other	Historic masonry	en
dc.subject.other	Hydraulic lime	en
dc.subject.other	Masonry units	en
dc.subject.other	Mohr coulomb criterion	en
dc.subject.other	Shear bond strengths	en
dc.subject.other	Shear tests	en
dc.subject.other	Substrate characteristics	en
dc.subject.other	Technical universities	en
dc.subject.other	Tripartite grout	en
dc.subject.other	Binding energy	en
dc.subject.other	Bond strength (materials)	en
dc.subject.other	Brickmaking	en
dc.subject.other	Foundations	en
dc.subject.other	Lime	en
dc.subject.other	Lime brick	en
dc.subject.other	Mechanical properties	en
dc.subject.other	Mortar	en
dc.subject.other	Pozzolan	en
dc.subject.other	Retrofitting	en
dc.subject.other	Shear strength	en
dc.subject.other	Substrates	en
dc.subject.other	Tensile strength	en
dc.subject.other	Grouting	en
dc.title	The bond mechanism in stone- or brick-to-grout interfaces	en
heal.type	journalArticle	en
heal.identifier.primary	10.1111/j.1475-1305.2008.00545.x	en
heal.identifier.secondary	http://dx.doi.org/10.1111/j.1475-1305.2008.00545.x	en
heal.language	English	en
heal.publicationDate	2009	en
heal.abstract	An experimental research on the bond between masonry units and grout has been carried out at the National Technical University of Athens. In this study, tension and shear tests on composite substrate/grout specimens were performed. The composite specimens were consisted of two pieces of substrate connected with one grout joint. The substrate was either stone or brick, whereas hydraulic lime or tripartite (lime-pozzolan cement) or cement grouts were used. The experimental results have demonstrated that the developed tensile and shear bond strength of the studied hydraulic lime and tripartite grouts is comparable with those of cement-based grouts. Moreover, the value of the reached bond strength (tensile or shear) is governed mainly by the substrate characteristics and the binding properties of the grouts. It was also found that interfaces subjected to shear exhibited similar behaviour with interfaces within concrete; thus the beneficial effect of normal compressive stress on the interface was confirmed. Finally, the experimental results are used for the formulation of a Mohr-Coulomb criterion for grout to travertine joints in shear-compression and shear-tension. The results of this project clearly confirm the efficiency of grouts with medium or low mechanical properties (tripartite and hydraulic lime grouts) for retrofitting historic masonries. © 2009 Blackwell Publishing Ltd.	en
heal.publisher	WILEY-BLACKWELL PUBLISHING, INC	en
heal.journalName	Strain	en
dc.identifier.doi	10.1111/j.1475-1305.2008.00545.x	en
dc.identifier.isi	ISI:000269708100003	en
dc.identifier.volume	45	en
dc.identifier.issue	5	en
dc.identifier.spage	400	en
dc.identifier.epage	409	en