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Bonding in Cementitious Composites: How Important is it?

Published online by Cambridge University Press:  21 February 2011

Sidney Mindess*
Affiliation:
Department of Civil Engineering, University of British Columbia, 2324 Main Mall, Vancouver, British Columbia, V6T IW5, Canada
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Abstract

A number of different types of interfacial bonding occur in concrete, including:

i) bonding between various phases (including anhydrous cement) in the hydrated cement paste (hcp) system

ii) bonding between cement and aggregates

iii) bonding between cement or mortar and the fibres in fibre-reinforced concrete; and

iv) bonding between concrete and steel reinforcing bars or prestressing cables.

The importance of these types of bonds with respect to the mechanical behaviour of concrete is discussed. It is concluded that in some systems, the mechanical properties are governed primarily by the interfacial bond; in other systems, however, this bond has only a secondary effect.

Information

Type
Research Article
Copyright
Copyright © Materials Research Society 1988

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