Polymer-bitumen compositions for improving the energy efficiency of road construction

A.G. Syzdyk; G.Z. Seitenova; R.M. Dyussova; E.A. Zhakmanova; E. Donbayeva

doi:10.31643/2027/6445.21

Authors

A.G. Syzdyk L.N. Gumilyov Eurasian National University
G.Z. Seitenova L.N. Gumilyov Eurasian National University
R.M. Dyussova Toraighyrov University
E.A. Zhakmanova L.N. Gumilyov Eurasian National University
E. Donbayeva L.N. Gumilyov Eurasian National University

DOI:

https://doi.org/10.31643/2027/6445.21

Keywords:

bitumen, polypropylene, modified bitumen mixtures, petroleum residue, asphalt concrete, energy efficiency.

Abstract

This article examines the effect of two types of polypropylene (H030 and H350) and petroleum residue on the bitumen modification process. Bitumen modification is one of the key methods for improving its physical and mechanical properties and enhancing the quality of road pavement. Currently, bitumen modification is widely used in road construction, playing a crucial role in improving its quality and energy efficiency. Studying the effect of polymers on the mechanical stability of bitumen is a relevant issue in increasing the durability of road surfaces. During the study, six different concentrations of polypropylene H030 and H350 were introduced into bitumen samples, and their main characteristics were compared. The obtained results demonstrated that polypropylene significantly alters the properties of bitumen, contributing to increased strength and durability of road pavements. Furthermore, the addition of petroleum residue enhances the rheological properties of the bitumen mixture, improving its adhesion. These studies provide essential data for improving bitumen used in road construction. The research results indicate that the use of polymer-modified bitumen increases the wear resistance of road surfaces, reduces crack formation, and enhances resistance to climatic factors. This, in turn, extends the service life of road pavements and reduces road maintenance costs. Long-lasting pavements help decrease energy consumption for bitumen production and road construction. The obtained data expand the possibilities for the effective use of polymer-modified bitumen mixtures in asphalt concrete production. Thus, the compatibility of bitumen and polypropylene has been studied, and their optimal compositions have been determined.

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Author Biographies

A.G. Syzdyk, L.N. Gumilyov Eurasian National University

Master’s student in the Faculty of Natural Sciences, L.N. Gumilyov Eurasian National University, Kazhymukan str., 13, 010000, Astana, Kazakhstan. ORCID ID: https://orcid.org/0009-0007-4435-0976

G.Z. Seitenova , L.N. Gumilyov Eurasian National University

Candidate of chemical sciences, associate professor, Faculty of natural sciences, L.N. Gumilyov Eurasian National University, Satbayev str., 2, 010000, Astana, Kazakhstan. ORCID ID: https://orcid.org/0000-0001-6202-3951

R.M. Dyussova, Toraighyrov University

Candidate of technical sciences, postdoctoral researcher, Toraighyrov University, Lomova str., 64, 140000, Pavlodar, Kazakhstan. ORCID ID: https://orcid.org/0000-0003-3083-5255

E.A. Zhakmanova, L.N. Gumilyov Eurasian National University

PhD student in the Faculty of Natural Sciences, L.N. Gumilyov Eurasian National University, Kazhymukan str., 13, 010000, Astana, Kazakhstan. ORCID ID: https://orcid.org/0000-0003-0545-5912

E. Donbayeva, L.N. Gumilyov Eurasian National University

Senior lecturer, Department of Chemistry, Faculty of Natural Sciences, L.N. Gumilyov Eurasian National University, 13 Kazhymukan str., 010000, Astana, Kazakhstan. ORCID ID: https://orcid.org/0009-0005-0762-1488

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