SULFUR AS A PMB MODIFIER ACCORDING TO THE RESULTS OF THE ANALYSIS OF THE FLOW CURVES OF BITUMEN MATERIALS

M. D. Shlyaptseva; I. V. Gordeeva; V. N. Gorbatova; M. S. Pshikhacheva; U. G. Zvereva; Yu. A. Naumova

doi:10.31143/2221-7789-2023-1-119-124

SULFUR AS A PMB MODIFIER ACCORDING TO THE RESULTS OF THE ANALYSIS OF THE FLOW CURVES OF BITUMEN MATERIALS

M. D. Shlyaptseva, I. V. Gordeeva, V. N. Gorbatova, M. S. Pshikhacheva, U. G. Zvereva, Yu. A. Naumova

https://doi.org/10.31143/2221-7789-2023-1-119-124

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Abstract

The flow curves of bituminous compositions modified with domestically produced styrene-butadiene thermoplastic elastomer (BSTEP) in combination with gray polymer are constructed and analyzed. Regularities of the joint influence of the BSTEP-sulfur modifier system on the rheological behavior of road bitumen materi- als are revealed. The rheological constants were determined: the consistency coefficient K and the flow index n at test temperatures of 40, 60 and 80 °C based on the approximation of experimental data according to the Ostwald de Waale equation. It was found that the process of temperature control of samples containing sulfur leads to an increase in the consistency index, which indicates the occurrence of structuring processes in the polymer-bitumen material.

Keywords

polymer-bitumen compositions, flow curves, modifiers, sulfur, styrene-butadiene thermo- plastic elastomer, viscosity, rheology.

About the Authors

M. D. Shlyaptseva

MIREA – Russian Technological University»
Russian Federation

I. V. Gordeeva

N.N. Semenov Institute of Chemical Physics, Russian Academy of Sciences
Russian Federation

V. N. Gorbatova

N.N. Semenov Institute of Chemical Physics, Russian Academy of Sciences
Russian Federation

M. S. Pshikhacheva

MIREA – Russian Technological University»
Russian Federation

U. G. Zvereva

LLC «LLK-International»
Russian Federation

Yu. A. Naumova

MIREA – Russian Technological University»
Russian Federation

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Shlyaptseva M.D., Gordeeva I.V., Gorbatova V.N., Pshikhacheva M.S., Zvereva U.G., Naumova Yu.A. SULFUR AS A PMB MODIFIER ACCORDING TO THE RESULTS OF THE ANALYSIS OF THE FLOW CURVES OF BITUMEN MATERIALS. Proceedings of the Kabardino-Balkarian State University. 2023;13(1):119-124. (In Russ.) https://doi.org/10.31143/2221-7789-2023-1-119-124. EDN: PIDKKT

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Proceedings of the Kabardino-Balkarian State University

SULFUR AS A PMB MODIFIER ACCORDING TO THE RESULTS OF THE ANALYSIS OF THE FLOW CURVES OF BITUMEN MATERIALS

Full Text:

Abstract

Keywords

About the Authors

References

Review

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