Peer-reviewed articles 17,970 +


Dusan Briliak; Eva Remisova
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Asphalt mixtures are the most commonly used material in road construction. It is necessary to know the properties of the mixtures and their constituents, as well as the changes in properties that occur during their service life. The demands on road durability are constantly increasing. The main problem with asphalt mixtures is degradation. Due to the effects during asphalt pavement production and service, there is a gradual degradation of properties. One of the degradation factors is the impact of traffic, climate and weather on the road surface. One climatic factor whose influence on pavement degradation has not yet been researched in detail is solar UV radiation. The main cause of ageing is known to be the oxidation of asphalt molecules by oxygen. However, UV radiation also has a photo-oxidation effect on the pavement in service. Oxidation processes cause gradual hardening and embrittlement of the asphalt layer. Understanding these processes could lead to better design of asphalt mixtures and more appropriate material selection to improve performance and extend pavement life. In this article, the results of the measure of the effect of UV radiation on the stiffness changes for AC11 50/70 asphalt mix will be presented. In order to more accurately determine the effect of UV radiation on asphalt mixtures, we used AC11 50/70 mixtures unaged, long-term aged by the loosely distributed mix method, and long-term aged by the compacted specimen method. The modulus of stiffness was measured by the IT-CY laboratory method at 20 °C. The monitored changes in the stiffness of the asphalt mixture were exactly 3 times after 200 hours of UV radiation, a totally of 600 hours of UV radiation.
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[2] Petersen, J.C., Glaser, R., 2011. Asphalt oxidation mechanisms and the role of oxidation products on age hardening revisited. Road Materials and Pavement Design 12.
[3] Feng, Z., Yu, J., Wu, S., 2012. Rheological evaluation of bitumen containing different ultraviolet absorbers. Construction and Building Materials 29.
[4] Zhang, R., Sias, J.E., Dave, E.V., 2020. Evaluation of the cracking and aging susceptibility of asphalt mixtures using viscoelastic properties and master curve parameters. Journal of Traffic and Transportation Engineering (English Edition).
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[6] Remisova, E. et al. 2019, Rheological Properties of Bitumens from the Perspective their Chemical Composition. In: Civil and Environmental Engineering, Volume 15.
[7] TR 010 ETA Radiation procedure for artificial weathering, Edition May 2004.
[8] Briliak, D., Remisova, E. (2022). Stiffness Modulus of Aged Asphalt Mixtures. In Solid State Phenomena (Vol. 329, pp. 93–100). Trans Tech Publications, Ltd.
[9] EN 12697-26: 2019, Bituminous mixtures - Test methods - Part 26: Stiffness.
[10] CEN/TS 12697-52: 2017, Bituminous mixtures - Test methods - Part 52: Conditioning to address oxidative ageing,
[11] Kotek, P., & Kovac, M. (2015). Comparison of valuation of skid resistance of pavements by two device with standard methods. Procedia Engineering, 111, 436-443.
[12] Kovac, M., Brna, M., & Decky, M. (2021). Pavement Friction Prediction Using 3D Texture Parameters. Coatings, 11(10), 1180. Pavement diagnosis as integrant of the pavement management system
The paper is a result of the research supported by the research project VEGA 1/0337/22 „ Analysis of the influence of road surface texture on skid resistance, driving safety and the potential of particulate matter resuspension “.
Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
04 - 10 July, 2022
UV Radiation, Stiffness, IT-CY, Asphalt mixtures, Degradation

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