Collection of scientific papers "Dorogi i Mosti" (Roads and Bridges)
ISSN 2524-0994 (Print)
ISSN 2786-488X (Online)
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Standardization of oil paving viscous bitumen in Ukraine

published:
Number: Issue 18(2018)
Section: Construction and civil engineering
DOI: https://doi.org/10.36100/dorogimosti2018.18.091
The page spacing of the article: 91-106
Keywords: viscous paving bitumen, quality indicators, technical specifications, DSTU 4044, DSTU EN 12591
How to quote an article: Victor Zolotaryov, Yan Pyrig. Standardization of oil paving viscous bitumen in Ukraine. Dorogi і mosti [Roads and bridges]. Kyiv, 2018. 18. P. 91-106 [in Russia]

Authors

Kharkiv National Automobile and Highway University, Kharkiv, Ukraine
https://orcid.org/0000-0003-2132-9289
Kharkiv National Automobile and Highway University, Kharkiv, Ukraine
https://orcid.org/0000-0003-0957-2251

Summary

Introduction. Asphalt pavements are the main type of road pavement, while the quality of asphalt concrete is largely determined by the quality of bituminous binders.
Problem statement. Nowadays, all over the world, three systems are used to assess the quality of paving bitumen: penetrational, viscosity and Superpave systems. Each of these systems has its own advantages and disadvantages. The national system for assessing the viscous bitumen quality was proposed in 2001 by the standard DSTU 4044-2001. Over the last 18 years, the question of the revising the quality indicators nomenclature normalized in DSTU 4044-2001 is currently relevant due to the changes in the national standardizationand modern approaches tothe assessment of the bitumen quality.
Purpose. To develop a modern national standard for viscous paving bitumen which would take into account the principles of European standardization and modern achievements in creating the effective systems for assessing the quality of bitumen binders of both origin and foreign scientists was the aim of the work.
Materials and methods. The article contains a comparative analysis of the existing systems for the viscous bitumens quality assessing. It includes the quality indicators nomenclature comparison and the relationship between the penetration dependencies of the main quality indicators.
Results. Obtained data indicate that the standardized values of the main quality indicators proposed in the draft DSTU 4044 standard (softening temperature, brittleness temperature) are focused on national climatic, operational and the source material features of viscous paving bitumen. In addition to those adopted in the European standard EN 12591, additional indicators were introduced in the draft national standard taking into account the specific features of oxidized bitumen used in the Ukrainian road industry (adhesion, ductility, cohesion), as well as a number of indicators designed to optimize the technological modes of asphalt mixtures production and compaction (equi-viscous temperatures).
Conclusion. The structure of the proposed draft standard, the indicators included in it and the refined requirements are combined with similar criteria of the European standard and take into account the experience gained in Ukraine over the last 18 years since DSTU 4044-2001 standard start was in use.
Introduction. Asphalt pavements are the main type of road pavement, while the quality of asphalt concrete is largely determined by the quality of bituminous binders.
Problem statement. Nowadays, all over the world, three systems are used to assess the quality of paving bitumen: penetrational, viscosity and Superpave systems. Each of these systems has its own advantages and disadvantages. The national system for assessing the viscous bitumen quality was proposed in 2001 by the standard DSTU 4044-2001. Over the last 18 years, the question of the revising the quality indicators nomenclature normalized in DSTU 4044-2001 is currently relevant due to the changes in the national standardizationand modern approaches tothe assessment of the bitumen quality.
Purpose. To develop a modern national standard for viscous paving bitumen which would take into account the principles of European standardization and modern achievements in creating the effective systems for assessing the quality of bitumen binders of both origin and foreign scientists was the aim of the work.
Materials and methods. The article contains a comparative analysis of the existing systems for the viscous bitumens quality assessing. It includes the quality indicators nomenclature comparison and the relationship between the penetration dependencies of the main quality indicators.
Results. Obtained data indicate that the standardized values of the main quality indicators proposed in the draft DSTU 4044 standard (softening temperature, brittleness temperature) are focused on national climatic, operational and the source material features of viscous paving bitumen. In addition to those adopted in the European standard EN 12591, additional indicators were introduced in the draft national standard taking into account the specific features of oxidized bitumen used in the Ukrainian road industry (adhesion, ductility, cohesion), as well as a number of indicators designed to optimize the technological modes of asphalt mixtures production and compaction (equi-viscous temperatures).
Conclusion. The structure of the proposed draft standard, the indicators included in it and the refined requirements are combined with similar criteria of the European standard and take into account the experience gained in Ukraine over the last 18 years since DSTU 4044-2001 standard start was in use.

References

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