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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: Rice Husk Ash--a Unique Supplementary Cementing Material: Durability Aspects
Author(s): P. K. Mehtra and K. J. Folliard
Publication: Special Publication
Appears on pages(s): 531-542
Keywords: alkali-aggregate reactions; durability; freeze thaw durability; freezing; rice; silica fume; sulfate attack; Materials Research
Abstract:Presents a review of recent research focusing on the durability of concrete and mortar containing rice husk ash (RHA). The purpose of the investigation was to determine the effects of RHA in cement products exposed to hostile environments. Included are the results of laboratory research on hydrochloric acid attack, sulfate attack, alkali-silica reaction, and frost action on mortar or concrete mixtures containing RHA. The results showed that mortar or concrete containing RHA showed a substantial reduction in mass loss on exposure to a hydrochloric acid solution and considerable reduction in alkali-silica and sulfate expansions. Also, the frost resistance of non-air- entrained concrete containing RHA was found to be considerably higher than similar concrete mixtures containing silica fume.
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