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pp. 12367-12381 | Article Number: ijese.2016.904
Published Online: December 10, 2016
Abstract
The article is devoted to an actual problem of increase of efficiency and cost reduction of fine-grain concrete in the production of small-piece wall products with the complex use of man-made materials in the form of bottom-ash mixtures of CHP. The article presents the results of the study of bottom-ash mixtures and based on them composite gypsum binders (CGB) for fine-grained concretes. There were studied the microstructure and morphology of the floured ground mineral supplements of the bottom slag and fly ash, the prospect of these components using as a filler in the composition of CGB. There investigated properties of the fine-grained concrete and concrete mixes based on this CGB: remoulding effort, porosity, density, strength and stress-related properties. There were experimentally proved the effectiveness of the integrated use of local raw materials, including man-made, in the production of CGB and fine-grained concrete on its basis.
Keywords: Man-made raw materials, city ecology, bottom-ash mixtures, bottom-ash mixtures fillers, composite gypsum binders, fine-grained concrete, small-piece wall products, environmental and economic effects
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