Vol. 6 pp. 142-157

V.K. Salakhova, L.V. Rudakova, K.G. Pugin

ASSESSMENT OF LOW-PRESSURE POLYETHYLENE EFFECT ON ASPHALT CONCRETE AGEING PROCESS

 

Annotation. Large amount of natural raw materials is used for asphalt concrete production. Introduction of technologies of replacing natural raw materials with industrial production and consumption wastes require a comprehensive study of the impact of new components on the target indicators. The paper assesses the possibility of using shredded low-pressure polyethylene (LPPE) containers as a component in asphalt concrete. To evaluate the aging of asphalt concrete we used the temperature of 163oC, the exposure time up to 12 hours. Laboratory tests have shown that asphalt concrete samples with polyethylene addition have greater resistance to thermal stress. LPPE particles during the high-temperature mixing with bitumen, form physical bonds contributing to the retention of light hydrocarbon fractions of bitumen in the asphalt concrete structure, which helps to reduce the asphalt concrete ageing rate. The research was carried out in a certified road laboratory; stone materials produced in the Perm region were used. The technology of using LPPE in asphalt-concrete composition makes it possible to apply the material resource of consumption wastes without preliminary preparation, to increase lifetime of asphalt-concrete covering without repair, to reduce consumption of natural raw materials. The technology can be attributed to the technologies of rational use of natural resources.

Keywords: recycling, asphalt concrete, low-pressure polyethylene, asphalt concrete ageing, consumption waste, canisters, rational nature management.

For citation: Salakhova V.K., Rudakova L.V., Pugin K.G. [Assessment of low-pressure polyethylene effect on asphalt concrete ageing process]. Upravlenie tekhnosferoi, 2023, vol. 6, issue 2. (In Russ.) Available at: https://technosphere-ing.ru/ рр. 142–157. DOI: 10.34828/UdSU.2023.86.23.002.

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About the Authors

Veronika Konstantinovna Salakhova

Postgraduate student, Perm National Research Polytechnic University, 29 Komsomolsky Ave., Perm, 614990. Russia.

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Larisa Vasilevna Rudakova

Doctor of Technical Sciences, Professor, Perm National Research Polytechnic University, 29 Komsomolsky Ave., Perm, 614990. Russia.

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Konstantin Georgievich Pugin

Doctor of Technical Sciences, Professor, Perm State Agrarian and Technological University named after Academician D.N. Pryanishnikov, 23 Petropavlovskaya St., Perm, 614990. Russia.

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