Depth-related variation in conductivity to study cover-zone concrete during wetting and drying

In situ electrical property measurements are used to study cover-zone concrete under a cyclic wetting and drying regime. OPC concrete and OPC with partial replacement with GGBS and PFA were used in the experimental programme with samples exposed to water and chloride solution. Monitoring the variati...

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Bibliographic Details
Published in:Cement & concrete composites 2002-10, Vol.24 (5), p.415-426
Main Authors: Chrisp, T.M, McCarter, W.J, Starrs, G, Basheer, P.A.M, Blewett, J
Format: Article
Language:English
Subjects:
Absorption
Conductivity
Cover zone
Durability
Monitoring
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Summary:In situ electrical property measurements are used to study cover-zone concrete under a cyclic wetting and drying regime. OPC concrete and OPC with partial replacement with GGBS and PFA were used in the experimental programme with samples exposed to water and chloride solution. Monitoring the variation of electrical properties at discrete points within the surface 50 mm, during absorption and drying, provides information on water and ionic penetration into the cover zone, drying response, and evidence of continuing hydration and pozzolanic reaction.
ISSN:0958-9465
1873-393X
DOI:10.1016/S0958-9465(01)00073-7