ENSURING THE DURABILITY OF THE ASPHALT CONCRETE COATING ON THE HARD BASIS OF ROADS

ABSTRACT

Onyschenko A.M., Fedorenko O.V., Ianchuk L. Ensuring the durability of asphalt pavement on a rigid basis of roads. Visnyk National Transport University. Series «Technical sciences». Scientific and Technical Collection. - Kyiv: National Transport University, 2021. - Issue 1 (48).

The article is devoted to the development of practical methods to ensure the durability of asphalt pavement on a rigid basis of roads.

The goal of the work. Practical methods of ensuring the durability of asphalt pavement on a rigid basis of roads are proposed.

The object of research is asphalt-concrete pavement on a hard base of highways.

Research method: analytical-experimental using the provisions of the theory of elasticity and thermo-viscoelasticity and experimental methods of research of track formation in asphalt concrete pavement on a rigid basis; mathematical statistics; statistical analysis of scientific publications, technical and normative literature.

The article presents the features of the design of grain warehouses of asphalt mixtures, namely: The proposed features of the design of grain warehouses of asphalt concrete, taking into account the rate of resistance to track formation; Requirements for designing the grain composition of asphalt concrete of high resistance to track formation with optimization in terms of estimated service life are proposed. The conducted researches allowed to develop a method of estimating the homogeneity from the time of transportation of the asphalt concrete mixture in the car body to the object according to the resistance of asphalt concrete to the formation of the track. Requirements for checking the flow rate in the crushed-mastic asphalt-concrete mixture due to the terms of its storage and transportation have been developed, which avoids segregation of the coating. The criterion of strength of asphalt concrete pavement on a rigid basis of the highway is improved due to the consideration of different time of action of tensile load at bending that will allow to design more precisely a covering of the increased durability. The technique of the minimum admissible temperature of consolidation of asphalt concrete mix at the device of a covering on a rigid basis of highways that will allow to provide durability of a covering is offered for practical application.

KEY WORDS: ASPHALT CONCRETE, TRACK RESISTANCE, GRAIN COMPOSITION DESIGN, TEMPERATURE, TRANSPORTATION, SEALING.

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AUTHOR

Onyshchenko Artur Nikolaevich, Doctor of Technical Sciences, Associate Professor, National Transport University, Professor, Head of Department of Bridges, Tunnels and waterworks, e-mail: artur_onish@bigmir.net, tel. +380687771899, Ukraine, 01010, Kyiv, M. Omylanovicha-Pavlenko Str., 1, K. 229, orcid. org/0000-0002-1040-4530.

Fedorenko Oleg Vladimirovich. National Transport University, graduate student of the Department of Bridges, Tunnels and Hydraulic Structures, Kyiv, Ukraine, e-mail: 50281@ukr.net, tel. +38730047609, Ukraine, 01010, Kyiv, street M. Omelyanovich Pavlenko, 1, room 229, orcid.org/0000-0003-4288-5508.

Ianchuk Leonid Leonidovich Ph.D, National Transport University, the Department of Bridges, Tunnels and Hydraulic Structures, Kyiv, Ukraine, e-mail: Leonid.ianchuk@gmail.com, tel. +380503587337, Ukraine, 01010, Kyiv, street M. Omelyanovich Pavlenko, 1, room 229, orcid.org/0000-0003-1269-1251.

REVIEWER

Slavinska О. S, Doctor of Technical Science, Professor, dean of the Faculty of Transport Construction of national Transport University, Kyiv, Ukraine

Kaskiv V. I., Ph.D., Associate professor, deputy Director on Scientific work of State enterprise «Derzhdornii», Kyiv, Ukraine

Article language: Ukrainian

Open Access: http://publications.ntu.edu.ua/visnyk/48/242-256.pdf

Print date: 15.03.2021

Online publication date: 05.04.2021

 

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