New issues - Известия Казанского государственного архитектурно-строительного университета.

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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.Gayfutdinov Rustem Flyusovich deputy head of laboratory control department E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it SPI «Glavtatdortrans» The organization address: 420012, Russia, Kazan, Dostoevskij st., 18/75 Khafizov Eduard Radikovich 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
Title of the articleResearch of abrasive wear of crushed stone for highways
Abstract.Problem statement. The purpose of this research is to study the degree of influence of the surface roughness of stone materials on its abrasive wear under the influence of operational loads. Abrasive wear of crushed stone has a negative economic and environmental effect and needs to be studied to improve the quality of road materials. Although abrasive wear is well understood, the degree of influence of roughness on the wear resistance of crushed stone is not well known. Results. The main results of the study are to assess the wear resistance of crushed stone using the Micro-Deval test. Testing of two groups of materials, a mixture of gabbrods and diorite, with various surface roughness characteristics obtained artificially, showed a high effect of this parameter on the wear resistance of crushed stone. Thus, the effect of surface roughness on the abrasive wear of these materials amounted to more than 40 %. Conclusions. The significance of the research results for the construction industry lies in the possibility of choosing durable stone materials for the construction of roads. The high degree of influence of the surface roughness of stone materials on their abrasive wear must be taken into account when predicting the behavior of stone materials under the influence of operational loads.
Keywords.crushed stone, abrasive wear, roughness, Micro-Deval, wear resistance.
For citations:Gayfutdinov R.F., Khafizov E.R. Research of abrasive wear of crushed stone for highways // Izvestiya KGASU. 2020. №1(51) P.128-137.


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