employee from 08.04.1996 until now
Ekaterinburg, Ekaterinburg, Russian Federation
The main tasks of improving the crushed stone-mastic coatings of forest timber highways through the use of innovative road-building materials are considered. Such roads are characterized by the use of materials capable of meeting the basic requirements for transport and operational conditions in difficult natural and climatic conditions. The known road building materials are distinguished by the instability of their physical and mechanical properties. This causes significant difficulties both in the design and in the operation of forest timber roads made of these materials. Despite the complex of experimental studies carried out, the task of developing road coatings with adjustable performance properties remains unfulfilled. Thus, the developed method of designing the grain composition of crushed stone-mastic asphalt concrete pavements of forest roads, with new transport and operational parameters, taking into account the operating conditions, which determined the purpose of this work, will help to solve the problem. The aim of the research was to develop methods for creating crushed-night-mastic asphalt concrete pavements of forest timber roads, using a heat stabilizing additive from expanded vermiculite sand. In this work, the problem of assessing the degree of influence of the addition of sand from expanded vermiculite on the quality indicators of crushed stone-mastic asphalt concrete coatings of forest timber roads was solved. The results of the work were the creation of a formulation of crushed stone-mastic asphalt concrete with a heat-stabilizing additive from expanded vermulite of fraction from 0.5 to 1.0 mm. Taking into account the sufficient adequacy of experimental research, the results of the selection of the mixture can be recommended for use in the practice of building forest timber roads for I and II road-climatic zones.
forest roads, crushed stone-mastic asphalt concrete road surfaces, heat stabilizing additive, expanded vermiculite
1. Kruchinin IN, Dedyukhin A.Yu. [The use of chrysotile in road construction: monograph]. - Yekaterinburg: USLTU publishing house, 2011.- 152 p. (InRuss.)
2. Salikhov M.G., Ilivanov V.Yu. [Investigation of the durability of modified crushed stone-mastic asphalt concrete under the action of an aggressive environment] Nauchnyy zhurnal «Vestnik PGTU. Seriya «Les. Ekologiya. Prirodopol’zovaniye» [Scientific journal “Bulletin of PSTU. Series “Forest. Ecology. Nature management “].- Yoshkar-Ola: PSTU, 2013.- No. 2.- P. 38 - 45. (InRuss.)
3. Kiryukhin,G.N. [Crushed-stone-mastic asphalt concrete coatings].- M.: LLC Publishing House “Elite”. [M.: LLC Publishing House “Elite”]. - 2009. 176 p. (InRuss.)
4. Rudensky A.V. [Asphalt concrete pavement] -M.: Transport [M .: Transport] 1992 .- 213 p. (InRuss.)
5. Bindu C. S. et. Al. Waste plastic as a stabilizing additive in Asphalt Stone Mastic / International Journal of Engineering and Technology Vol. 2 (6), 2010, p. 379-387.
6. Redelius, P. G. (2006). The structure of asphaltenes in bitumen. Road Materials and Pavement Design, 7 (sup1), p. 143-162.
7. Akhtyamov E.R. [Research of bitumen-vermiculite mastics and asphalt concrete for road construction] E.R. Akhtyamov, E.V. Koshkarov, A. Yu. Dedyukhin and V.N. Ageikin // «Natsion-al’naya Assotsiatsiya Uchenykh» : yezhemesyachnyy nauchnyy zhurnal [National Association of Scientists”: monthly scientific journal.]. - Yekaterinburg: Eurasian Scientific Publishing House. - No. 34 (61). - 2020 .-P. 21-26. (InRuss.)
