МОДИФИЦИРЛЕНГЕН БИТУМ ЭМУЛЬСИЯСЫНЫҢ ФИЗИКА-МЕХАНИКАЛЫҚ ҚАСИЕТТЕРІН ЖАҚСАРТУ

Abstract

The development of road infrastructure and its impact on the environment require serious attention to the development of sustainable and environmentally friendly road materials. A comparative analysis of the priorities of bitumen emulsions in comparison with bitumen has shown the advantages of bitumen emulsions, which are designed to improve the quality, improve the manufacturability and speed of road construction and repair work, and provides data on global consumption of bitumen emulsions. In order to improve the physico-mechanical characteristics of bitumen emulsion, formulations of modified bitumen emulsions have been developed. It has been established for the first time that Kulantau vermiculite in a bitumen composition provides stable adhesion over a wide temperature range, an increase in specific surface area, which acquires additional energy capacity, which leads to an increase in the degree of adhesion to bitumen. Improvement of the complex of indicators of physical and mechanical properties.bitumen emulsion is facilitated by the use of surfactants in the emulsion, which also increase their adhesive qualities, and stabilizing additives are responsible for the stability of bitumen emulsions. The study of the physical and mechanical properties of bitumen emulsions according to the methods approved by GOST 30491-2012 showed that the developed modified bitumen emulsion can be used for asphalt concrete mixtures in road construction.