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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Khafizov E.R. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1 Semenov D.Yu. – surveyor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Production trading company «VSK-2000» The organization address: 420005, Russia, Kazan, Juzhno-Promyshlennaja st., 9
Title of the articleImprovement of quality of road surfacing by introduction to macadam-mastic bituminous concrete mixture of rubber crumb additives
Abstract.Problem statement. The purpose of work was the research of influence of additives of rubber crumb on properties of stone mastic asphalt. Results. Comparative analysis of physicomechanical properties of the traditional stone mastic asphalt and stone mastic asphalt modified by rubber crumb from the utilized tires of «KMA» Koltek is carried out. Conclusions. The conducted research has shown that introduction of rubber crumb to stone mastic asphalt allows to raise ultimate strength indicators on compression at 20 and 50 °C, ultimate strength on stretching at split at 0 °C, couplings at shift, fatigue resistance and water resistance, to lower water saturation indicator. It is revealed that the optimum content of additive of rubber crumb as a part of stone mastic asphalt makes 1 %. Improvement of quality and increase in life cycles of road surfacing of the highway can achieve due to introduction at preparation stage to structure of crushed-stone and mastic road concrete mix of the modifying additive – rubber crumb.
Keywords.highway, stone mastic asphalt, rubber crumb, durability, modifier.
For citations:Khafizov E.R., Semenov D.Yu. Improvement of quality of road surfacing by introduction to macadam-mastic bituminous concrete mixture of rubber crumb additives // Izvestiya KGASU. 2017. №2(40) P.305-310.


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