Bitumen Emulsions for Road Construction Purposes, Modified by Fly Ash

Number of journal: 11-2021
Autors:

Bezrodnykh A.A.,
Strokova V.V.,
Markova I.Yu.,
Potapov D.Yu.

DOI: https://doi.org/10.31659/0585-430X-2021-797-11-59-66
УДК: 625.861

 

AbstractAbout AuthorsReferences
Among the possible types of organic binders for the production of organomineral materials for road construction purposes, bitumen emulsions have gained the greatest popularity. Since the binder has the main structure-forming role and the final properties of the material directly depend on it, their regulation sometimes requires modification of the binder films. The most effective way to improve the quality characteristics of composite materials containing organic binder is dispersed reinforcement, which provides for the introduction of a highly dispersed component into the binder. However, bitumen emulsion is a multicomponent thermodynamically unstable material and the use of mineral raw materials in its composition can destroy the emulsion system. In this regard, the presented publication is devoted to the study of the influence of highly dispersed aluminosilicate technogenic raw materials in the form of fly ash on the properties of bitumen emulsions of various classes, which are widely used in road construction. The assessment of the normalized parameters of bitumen emulsions in the presence of mineral modifiers was made, the relationship between the basic characteristics of the initial components and the change in the parameters of the modified compositions was established, the maximum concentrations of the modifiers were determined, allowing to obtain stable compositions.
A.A. BEZRODNYKH, Researcher, (This email address is being protected from spambots. You need JavaScript enabled to view it.),
V.V. STROKOVA, Doctor of Sciences (Engineering), (This email address is being protected from spambots. You need JavaScript enabled to view it.),
I.Yu. MARKOVA, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
D.Yu. POTAPOV, Student, (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Belgorod State Technological University named after V.G. Shukhov (46, Kostyukova Street, Belgorod, 308012, Russian Federation)

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For citation: Bezrodnykh A.A., Strokova V.V., Markova I.Yu., Potapov D.Yu. Bitumen emulsions for road construction purposes, modified by fly ash. Stroitel’nye Materialy [Construction Materials]. 2021. No. 11, pp. 59–66. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2021-797-11-59-66


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