Reliability criterion for calculation of the optimum driving speed on road in winter
Yessentay D. Sagybekova A. Tulebekova A. Muzdybayeva T.
July 2021GEOMATE International Society
International Journal of GEOMATE
2021#21Issue 8372 - 78 pp.
The problem of eliminating winter slips on paved roads is a topical issue today. The paper analyzes the results of tests using traditional (chloride) and non-traditional chemical reagents and their influence on the strength properties of cement concrete. In general, the formation of slipperiness on the surface of cement concrete pavements does not differ from asphalt concrete, because cement concrete can have a high moisture capacity. The pores of cement concrete readily allow moisture to penetrate, and with decreasing air temperature significant ice formation can occur in the pavement. This kind of slipperiness is very dangerous. In appearance they look like a dry coating, in fact, they penetrate deeply into the body of the coatings. Not every chemical reagent can act positively to reduce moisture. And also this process in climatic zones with a sharply continental climate especially exacerbates the likelihood of peeling of cement stone, followed by crumbling of concrete (peeling) and loss of strength due to the low stability of this material. Copyright
Chemical reagent , Ice formation , Road surface , Strength of concrete
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L.B. Goncharov Kazakh Automobile and Road Institute, Almaty, Kazakhstan
L.N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan
Saken Seifullin Kazakh Agrotechnical University, Nur-Sultan, Kazakhstan
L.B. Goncharov Kazakh Automobile and Road Institute
L.N. Gumilyov Eurasian National University
Saken Seifullin Kazakh Agrotechnical University
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