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Proportioning of fly-ash cement concrete mixes

Shashiprakash , SG and Nagaraj, TS and Raviraj, S and Yenagi, BV (1994) Proportioning of fly-ash cement concrete mixes. In: Cement, Concrete and Aggregates, 16 (2). pp. 104-109.

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The accumulation of fly ash throughout the world is several million tons per day. The main problem with the usage of fly ash is the slow rate of strength gain, primarily due to slow pozzolanic reactions. Existing methods of proportioning fly ash concrete are lacking. These methods are involved and do not directly take into account the properties of the constituent materials. The Generalized Approach for Mix Proportioning developed at the Indian Institute of Science, Bangalore, is the basis for the development of the proposed method, which takes into account the characteristics of cement, fly ash, and aggregates. Based on the basic trial mix data obtained by using the American Concrete Institute (ACI 211.1-81) method, the proportions of fly-ash concrete mixes were arrived at using the Generalized Approach for Mix Proportioning. The method proposed was applied to and found applicable for fly-ash concretes using fly ashes from two different sources.

Item Type: Journal Article
Publication: Cement, Concrete and Aggregates
Publisher: ASTM international
Additional Information: Copyright of this article belongs to ASTM international.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 11 Apr 2011 04:25
Last Modified: 11 Apr 2011 04:25
URI: http://eprints.iisc.ac.in/id/eprint/36708

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