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Rice-Husk-Ash Cement - A Review

James, J and Rao, MS (1992) Rice-Husk-Ash Cement - A Review. In: Journal of Scientific & Industrial Research (JSIR), 51 (5). pp. 383-393.

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The use of silica from rice-husk for the production of various materials, including rice-husk ash-lime binder, has gained significance. In this context, the decomposition of husk, the properties of the silica ash, including its crystallization and the ash-lime reaction, are reviewed. The mechanism of ash-lime reaction is controlled mostly by the development of osmotic pressure. For lime-deficient ash-lime mixtures the reaction is complete in the initial few days and therefore no strength development is observed for such mortars in the later ages. The use of optimum ash/lime ratio is recommended for obtaining consistently good performance for the mortar. A method for the determination of this ratio is also discussed.

Item Type: Journal Article
Publication: Journal of Scientific & Industrial Research (JSIR)
Publisher: National Institute of Science Communication and Information Resources
Additional Information: Copyright of this article belongs to National Institute of Science Communication and Information Resources.
Keywords: Silica;Hulls;Lime.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 30 May 2011 09:12
Last Modified: 30 May 2011 09:12
URI: http://eprints.iisc.ac.in/id/eprint/37597

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