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Complex-modified road crushed-stone- mastic asphalt concrete of increased dura- bility

V. I. BratchunDonbas National Academy of Civil Engineering and ArchitectureA. M. SatkoevaA. A. Tibilov South Ossetian State UniversityE. A. RomasyukDonbas National Academy of Civil Engineering and ArchitectureV. L. BespalovDonbas National Academy of Civil Engineering and ArchitectureV. V. ZhevanovDonbas National Academy of Civil Engineering and Architecture
Annotation: Using the method of experimental-statistical modeling, the optimal concentration of ethylene glycidyl acrylate of the Elvaloy-AM brand and polyphosphoric acid PFC-105 in petroleum road bitumen (2% wt. and 0.2% wt., respectively) was determined, and the surface of mineral materials was mechanically activated0.7 % wt. ethylene glycidyl acrylate, at these concentration ratios of modifiers, optimal physical and deformation-strength characteristics of the complex-modified road asphalt concrete are provided in our research. It has been established that the fatigue life of the complex-modified asphalt concrete is 1.5-2 times higher than that of the unmodified one.

Keywords: crushed stone-mastic asphalt concrete, complex modification, deformation and strength properties, durability.

Pages: 4-9.

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For citation: Bratchun, V. I.; Satkoeva, A. M.; Romasyuk, E. A. [et al.]. Complex-modified road crushed-stone- mastic asphalt concrete of increased dura- bility. – Text : direct. – In: The Builder of Donbass. – 2022. – Issue 2-2022. – Р. 4-9. – ISSN 2617-1848. (in Russian)

Issue Cover
Issue 2-2022
Journal: The Builder of Donbass
Publish house: Donbas National Academy of Civil Engineering and Architecture