Abstract
Transport facilities along with mechanical loads are exposed to various aggressive environments, including chemical and biological, as well as climatic factors. Materials in the process of operation in the air in open areas, as well as in some buildings and structures, along with physical and chemical influences are exposed to microbiological influences, mainly microscopic fungi, which can use their individual components as a source nutrition. One of the effective ways to protect and repair building structures from microbiological damage is the use of polymer compositions in the form of paints, mastics and other compositions. It is important to select biological compositions that are resistant to biological damage and are obtained using various formulations of the curing system of the polymer binder and the components of the polymer-mineral mixture. Also relevant is the use of materials with high climatic resistance. The article substantiates the relevance of using modern concrete with improved physicomechanical and operational properties based on polymer binders to increase the climatic resistance of the structures of transport structures. The results of climatic tests of polyester acrylate composites are presented. The compositions with the highest resistance to the effects of the conditions of the Black Sea coast have been identified. A correlation was found between the most stable composition and the smallest variety of microorganisms that populate the surface of the samples after testing. Processing and description of the results made it possible to identify the compositions of polyester acrylate composites that can be recommended for use. The use of polyester acrylate binder for the manufacture of composite materials for the repair and manufacture of structures of transport structures is proposed.
Highlights
Transport facilities along with mechanical loads are exposed to various aggressive environments, including chemical and biological, as well as climatic factors
Materials in the process of operation in the air in open areas, as well as in some buildings and structures, along with physical and chemical influences are exposed to microbiological influences, mainly microscopic fungi, which can use their individual components as a source nutrition
One of the effective ways to protect and repair building structures from microbiological damage is the use of polymer compositions in the form of paints, mastics and other compositions
Summary
ФГБОУ ВО «Национальный исследовательский Мордовский государственный университет им. Н.П. Полимерные композиционные материалы на полиэфиракрилатном связующем для транспортных сооружений. Актуальным также является применение материалов с повышенной климатической стойкостью. В статье обоснована актуальность использования современных бетонов с улучшенными физикомеханическими и эксплуатационными свойствами на основе полимерных вяжущих для повышения климатической стойкости конструкций транспортных сооружений. Предложено использование полиэфиракрилатного связующего для изготовления композиционных материалов для ремонта и изготовления конструкций транспортных сооружений. Для строительства транспортных сооружений могут быть использованы бетоны с улучшенными физико-механическими и эксплуатационными свойствами на основе различных вяжущих веществ [1,2,3,4,5,6,7,8,9]. Перспективным представляется применение для реализации различных конструктивных решений полимерных композиционных материалов на основе полиэфиракрилатных смол [10,11,12,13]. Транспортные сооружения наряду с механическими нагрузками подвержены воздействию различных агрессивных сред, в том числе химических и биологических, а также климатических факторов [14,15,16]
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