Abstract:Concrete pavements and airfields in the curing process of protection against desiccation, particularly, the application of the wax-polymer emulsion which forms a solid film, which persists for a long time in the initial period of operation of roads and airfields. The presence of the film changes the nature of the friction on the surface that could adversely affect traffic and aircraft. This paper investigates the friction of rubber on the surface of the treated concrete with an aqueous emulsion of paraffin se (...) Concrete pavements and airfields in the curing process of protection against desiccation, particularly, the application of the wax-polymer emulsion which forms a solid film, which persists for a long time in the initial period of operation of roads and airfields. The presence of the film changes the nature of the friction on the surface that could adversely affect traffic and aircraft. This paper investigates the friction of rubber on the surface of the treated concrete with an aqueous emulsion of paraffin series Emcoril. It was established that the friction on the paraffin film, unlike friction on the surface of the concrete does not respect the law of linear Coulomb. The degree of deviation from linearity, the higher the greater the thickness of the film. The frictional force on the film increases with the slip velocity. At high speed, friction in the film is greater than the frictional force on the concrete, and at low speed is much lower than the previous one(Read More)
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