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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Performance of a Different Pozzolanic Cement Concretes Under Cyclic Wetting and Drying
Author(s): A.A. Ramezanianpour, Radfar, Hadikhanloo, Moslehi and Maghsoodi
Publication: Special Publication
Appears on pages(s): 759-778
Keywords: durability; pozzolans; slag; silica fume; trass; wetting and drying tests.
Abstract:As part of a comprehensive research project on the durability of on and offshore concrete structures in the Persian Gulf, a simulation laboratory has been made use of. The present study consists mainly of nine month exposure tests in the tidal and atmospheric zone conditions in the laboratory. Concrete specimens containing different supplementary materials, namely; silica fume, blast - furnace slag, diatomous earth and trass, have been thoroughly investigated. The tests conducted include, compressive strength, volume changes, half cell potentials, carbonation, and chloride diffusion, all at different ages. With respect to the alternate cycles of wetting and drying the superior preformance of silica fume was followed by the diatomous earth pozzolan. However all concrete mixtures containing natural and artificial pozzolans showed better performance when compared with the plain portland cement control concrete mixtures.
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