Utilization of overburden in formulations of environmentally friendly compositional materials for road construction

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The possibility of utilization of overburden rocks of the Chernovsky brown coal and Baleysko-Taseevsky gold occurrences (Trans-Baikal Region) in the road construction industry is studied. Polymeric additives “Cryogelite” and “StabOL” were chosen as stabilizing additives in the compositions of road-building composites. The initial mineral samples were examined by methods of atomic emission spectrometry with inductively coupled plasma, powder diffraction, and infrared spectroscopy. It was found that the introduction to formulation of composites with use of overburden rocks of 8 wt. % Portland cement and 10 wt. % fly ash, as well as stabilizing additives “Cryogelit” (Chernovskoe occurrence) and “StabOL” (Baleysko-Taseevskoe occurrence), allows to obtain samples with strength grade M40 and frost resistance grade F15. The biotesting method proved that the obtained composites do not have an acute toxic effect on test objects and are safe for the environment and human health.

About the authors

Nataliya A. Konovalova

Irkutsk State Transport University

Author for correspondence.
Email: zabizht_engineering@mail.ru

PhD in Chemistry, leading researcher

15 Chernyshevskogo St, Irkutsk, 664074, Russian Federation

Dmitry V. Bespolitov

Irkutsk State Transport University

Email: dimazabizht2018@mail.ru

graduate student

15 Chernyshevskogo St, Irkutsk, 664074, Russian Federation

Pavel P. Pankov

Irkutsk State Transport University

Email: pavelpankov110990@mail.ru

junior researcher

15 Chernyshevskogo St, Irkutsk, 664074, Russian Federation

Elena A. Rush

Irkutsk State Transport University

Email: lrush@mail.ru

Doctor of Technical Sciences, Professor

15 Chernyshevskogo St, Irkutsk, 664074, Russian Federation

Nadezhda D. Avseenko

Irkutsk State Transport University

Email: avsennd@rambler.ru

Doctor of Medical Sciences, Professor

15 Chernyshevskogo St, Irkutsk, 664074, Russian Federation

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Copyright (c) 2021 Konovalova N.A., Bespolitov D.V., Pankov P.P., Rush E.A., Avseenko N.D.

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