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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: Development of Lightweight Concrete Containing High Volumes of Fly Ash, Bottom Ash, and Waste Fines from Stone Quarries
Author(s): M. Nisnevich, G. Sirotin, Y. Eshel, and T. Schlesinger
Publication: Special Publication
Appears on pages(s): 91-106
Keywords: aggregate; bottom ash; cement; concrete; crushed sand; density; fly ash; radioactivity; strength
Abstract:A technology for comprehensive utilization of high volumes of coal ashes for production of lightweight concrete was developed at The Research Institute of The College of Judea and Samaria, Ariel, Israel. The technology is based on the combined use of bottom ash and fly ash in lightweight concrete, which enables the advantages of each kind of the ashes to be realized. The features of the suggested technology were con-firmed under laboratory and field studies. The obtained binary concrete (with respect to coal ashes) is a beneficial material for production of masonry units. The current paper describes the results of testing the effect of concrete proportions on properties of the binary lightweight concrete and of combined use of coal ashes with waste fines from stone quarries as additive for ternary lightweight concrete. The use of these materials both controls the strength of the lightweight concrete containing highly porous bottom ash and lowers the concentrations of radionuclides 226Ra, 232Th and 40K in the lightweight concrete.
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