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Corresponding Author

Awed, Islam

Article Type

Original Study

Abstract

For a sustainable environment, in recent years, the replacement of natural raw materials with new alternative materials, which acquire an economic, energetic and environmental value, has gained more national and international attention. Recently, water residuals had considered as an environmental pollutant. This paper investigates the reuse of water residuals in hot mix asphalt industry to reduce the negative effect of the residuals on the environment and, if possible, improve mix properties. Residuals have been obtained from three Water treatment plants “El-Mansoura water treatment plant, Meit Fares water treatment plant and Galia water treatment plant”. The residuals from each plant has been added at different percent 5, 10 and 15% to the crushers’ sand in the hot mix asphalt. The Main behavior of residual mixes properties is generally having the same trend. It’s noticed that the stability, air voids and V.MA have increased but the flow, bulk density and V.F.A have decreased. The studies proved the great value obtained due to adding residuals to asphalt mixes from the point of sustainable environment and improving properties of hot mix asphalt

Keywords

Residuals; hot mix asphalt; Marshal test; stability; Flow; Water treatment plant

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