IMPROVING THE PERFORMANCE OF ROAD SURFACES WITH ASPHALT GRANULATE
https://doi.org/10.33979/2073-7416-2023-106-2-101-111
Abstract
The condition of asphalt concrete and its standard service life on public roads are the main indicators of the road surface. The factors of violation of the top layer of asphalt concrete from increased dynamic effects of the wheel load of vehicles are considered. Performance indicators are characterized by strength and deformation characteristics.
The factors providing the necessary deformation and strength parameters during the operation of the roadway are analyzed and justified. The indicators and conditions of contact of the surface of the crushed granulate in the zone of contact with the binding components are determined.
A method of using asphalt granulate of three standard sizes in the formation of the top layer of pavement with a normative, operational service life and rational use of material and technical resources at all stages of the formation and laying of asphalt concrete is proposed. The strength of the dispersed system is achieved during the formation of an asphalt mixture by increasing the density, strength, adhesion of the binder, water resistance and preservation of the structure of the pavement. The experiment established the volumetric and fractional standard size of asphalt granulate in the total volume of the mixture. The volume composition of the granulate content in the total volume of the mixture is from 20% to 25%.
About the Authors
Shamil V. Buzikov
Vyatka State University
Russian Federation
Russian Federation
candidate of technical sciences, associate professor of the department of construction production
Kirov
Marina V. Motovilova
Vyatka State University
Russian Federation
Russian Federation
рead of the laboratory of the department of mechanical engineering technology
Kirov
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Review
For citations:
Buzikov Sh.V., Motovilova M.V. IMPROVING THE PERFORMANCE OF ROAD SURFACES WITH ASPHALT GRANULATE. Building and Reconstruction. 2023;(2):101-111. (In Russ.) https://doi.org/10.33979/2073-7416-2023-106-2-101-111
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