THE APPLICATION OF THE METHOD OF SELECTING A BRAND OF BITUMINOUS BINDER, IN ACCORDANCE WITH THE SUPERPAVE SYSTEM, IN THE CONDITIONS OF UKRAINE
Journal Title: Вестник Харьковского национального автомобильно-дорожного университета - Year 2018, Vol 82, Issue
Abstract
This research is based on an analysis of native re-searches publications and National Standards and considered the specify of bitumen binders choice for a pavement design in Ukraine. Problem. It is found that in accordance with actual National Standards requirements the bitumen grade choice is irrelevant to a climate and pavement operating conditions. The bitumen grade БНД 60/90 is commonly used in Ukraine. The limited amount of bitumen grades with a wide range of bitumen properties in each is one of the main reasons for using only one bitumen grade over the all territory of the country. The principles and methods of bitumen binders choice in American Superpave system is considered. Superpave system based on taking into account the climate conditions in a road location area and a pavement perfor-mance (such as traffic intensity, type of transport load, etc.). Goal. The bitumen grade choice according to the Superpave system method was performed for Ukraine in an aim of this research. Method. The highest and lowest asphalt concrete pavement tem-peratures were calculated on the base of highest and lowest annual air temperatures for Ukrainian cities. The bitumen grades, that can be used in as-phalt concrete layers, were opted with reliability indicators in 50 and 98 % for the different regions of the Ukraine. Results. It is found that the bitumen with better low temperature characteristics must be used over the all territory of the country to provide reliability in 98 % and polymer modified binders should be used in pavements design for some re-gions. The essential overstating of bitumen binders temperature limits in the Superpave method is shown. This is a result of a temperature limits shifting in a 6 °C per PG. Practical significance. Obtained data are used for a zoning modeling on the territory of Ukraine.
Authors and Affiliations
V. Zolotareyov, Y. Pyrig
Keywords
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- EP ID EP480253
- DOI 10.30977/BUL.2219-5548.2018.82.0.119
- Views 90
- Downloads 0
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