Effect of transition zone microstructure on bond strength of aggregate-Portland cement paste interfaces

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TypeArticle
Journal titleScience and Technology of Overseas Building Materials
Volume14
Issue2
Pages5153; # of pages: 3
SubjectCement and Concrete; Concrete
AbstractA relationship between interfacial bond strength and electrical conductivity of the transition zone has been developed. Microstructural factors affecting the bond strength of a non-porous aggregate-Portland cement paste interface are elucidated. The results indicate that two principal factors affect the interfacial bond strength, i.e. the thickness of the water layer on the aggregate surface at the beginning of the mixing and w/c ratio. Decreasing the thickness of the water layer and w/c ratio are two methods to increase the bond strength.
Publication date
LanguageChinese
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierIRC-P-3545
NRC number36999
5015
NPARC number20375516
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Record identifier4e84e738-b6e7-419d-a257-07ccc4c4611c
Record created2012-07-23
Record modified2016-05-09
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