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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: Properties of Blended Cements Made
from Rice Husk Ash
Author(s): P. K. Mehta
Publication: Journal Proceedings
Appears on pages(s): 440-442
Keywords: acid resistance; alkali-aggregate reactions;blended cements; cements; compressive strength; economics;hydraulic cements; lime cements; mortars (material): research;rice; silica; waste treatment.
Abstract:Rice husk ash containing silica in a highly reactive form is found to be an excellent ingredient for making either lime-rice husk ash or Portland-rice husk ash cements. Properties of both types of cements were investigated by standard ASTM test procedures. Due to relatively high water demand, the lime-rice husk ash cement developed lower compressive strengths. However, the strength characteristics are considered adequate for general masonry work. Portland-rice husk ash cements containing up to 50 percent ash showed compressive strengths which were considerably higher than the control portland cements even at early ages of 3 and 7 days, Test data is presented to show that a unique property of the cements containing rice husk ash is their excellent resistance to dilute organic and mineral acids.
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