Influence of Oil Sludge on Properties of Asphalt Concretes Used in Regions of the Far North

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The paper considers the physicochemical activation of mineral powders used in asphalt concretes. Oil storage wastes, called oil sludges, are proposed to use as a surfactant. Activation of the surface of mineral powders is accomplished during the joint grinding of powder and oil sludge in a ball mill. As a result, the surface of mineral powders acquires hydrophobic properties; their physico-mechanical characteristics are improved: the reduction of porosity, bitumen content, and of the swelling index of asphaltic substances are observed. The introduction of activated powders into the composition of asphalt concretes can significantly reduce the amount of the required bitumen in the mixture. Decrease in water saturation index is detected in asphaltic concrete with activated mineral powders unlike in the test specimen. This implies an improvement in the index of resistance to atmospheric corrosion.

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Edited by:

Dr. Denis Solovev

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158-162

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V. Kopylov and O.N. Burenina, "Influence of Oil Sludge on Properties of Asphalt Concretes Used in Regions of the Far North", Materials Science Forum, Vol. 945, pp. 158-162, 2019

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February 2019

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