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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: Study of Influence of Rice-Husk Fly Ash on Compressive Strength of Concrete at Different Ages
Author(s): G. Rodriguez de Sensale and D. C. C. Dal Molin
Publication: Special Publication
Appears on pages(s): 213-230
Keywords: compressive strength; concretes; waste utilization
Abstract:The possibility of rice-husk ash utilization in the production of structural concrete is very important for both Brazil-one of the major rice producers worldwide-and Uruguay, where rice is a major corp. Rice-husk ash is mainly used s fuel in rice paddy milling processes, the use of this fuel generates a great volume of ash that causes air, soil and water springs pollution and contamination, therefore the utilization of such ash has aroused the interest of researchers in both countries. For this reason, this paper presents a theoretical and an experimental study on the effects of the substitution of different percentages of portland cement concrete without risk-husk ash. For a better understanding of mechanical performance, research is done into the microstructural study was undertaken using Scanning Electron Microscopy, and X-ray Diffraction Analysis. It was concluded that the rice-husk ash used in this study was burnt at too high a temperature to produce a highly active pozzolan.
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