Eco-Friendly Bitumen Composites with Polymer and Rubber Waste for Sustainable Construction
Seitenova G.Z. Dyussova R.M. Aspanbetov D.A. Jexembayeva A.Y. Korniejenko K. Aruova L. Sakanov D.K.
August 2025Multidisciplinary Digital Publishing Institute (MDPI)
Buildings
2025#15Issue 15
The modern road industry requires a more effective solution according to efficiency and minimizing environmental burden. This article discusses the use of recycled materials to modify bitumen binders within the concept of the circular economy. The main aim of this article was to create a new composite based on waste materials, including polymer waste and rubber crumb. The important element is the usage of locally available waste that has not been investigated previously as a material for asphalt modification. The prepared composition was preliminarily assessed according to chemical composition. Next, research dedicated to road application was conducted, including the following: determination of the resistance to hardening, aging under the influence of high temperature and air, as well as oxidation processes, assessment of penetration, and evaluation of the softening point. The conducted studies showed that the new composites with the addition of polymer waste and rubber crumb improve the thermal stability, elasticity, and resistance of bitumen to aging. Optimum concentrations of modifiers were determined that provide an increase in the performance characteristics of bitumen, including a decrease in the brittleness temperature and an increase in the softening temperature. The obtained results demonstrate the potential for the introduction of new composites based on recycled materials in road construction, contributing to increased environmental sustainability and economic efficiency.
construction materials , eco-friendly composite , polymer modified bitumen , roadway , sustainability
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Department of Chemistry, Faculty of Natural Sciences, Gumilyov Eurasian National University, Kazhymukan Str. 13, r205, Astana, 010008, Kazakhstan
Department of Mechanics and Oil and Gas Engineering, Toraigyrov University, Pavlodar, 140000, Kazakhstan
Innovation Consulting Group LLP, Astana, 010000, Kazakhstan
Innovation Development Department, Gumilyov Eurasian National University, Kazhymukan Str. 13, r205, Astana, 010008, Kazakhstan
Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Street, Cracow, 31864, Poland
Faculty of Architecture and Civil Engineering, Gumilyov Eurasian National University, Kazhymukan Str. 13, r205, Astana, 010008, Kazakhstan
Department of Industrial Civil and Transport Construction, Toraigyrov University, Pavlodar, 140000, Kazakhstan
Department of Chemistry
Department of Mechanics and Oil and Gas Engineering
Innovation Consulting Group LLP
Innovation Development Department
Faculty of Materials Engineering and Physics
Faculty of Architecture and Civil Engineering
Department of Industrial Civil and Transport Construction
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