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Application of the bitumen classification according to Superpave methodology in Serbia

Primena klasifikacije bitumena prema metodologiji Superpave u Srbiji

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2008
200.pdf (489.9Kb)
Authors
Mladenović, Goran
Knežević, Ivana
Đukić, Dragan
Đureković, Aleksandar
Article (Published version)
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Abstract
The paper presents new methodology for testing of rheological properties of bitumen and SUPERPAVE PG classification of bitumen based on maximum and minimum pavement design temperatures. The maps of Serbia with PG classification for different reliability levels were developed that present characteristics of bitumen that are needed for different climatic regions and different road functional classes. Paper also presents the first results of rheological tests on unmodified and modified binder used in Serbia. It was concluded that BIT 60 satisfies for high pavement design temperatures for most of Serbia and that use of modified bitumen is justified only on heavily trafficked roads or roads with slow traffic.
U radu je predstavljen postupak za klasifikaciju bitumena prema metodologiji SUPERPAVE, u zavisnosti od najviših i najnižih projektnih temperatura kolovoza. Razvijene su mape za teritoriju Srbije za različite nivoe pouzdanosti, koje ukazuju na karakteristike veziva koje treba da se primeni u pojedinim klimatskim područjima i na saobraćajnicama koje pripadaju različitim funkcionalnim kategorijama. U radu su takođe prikazani i rezultati prvih ispitivanja reoloških karakteristika nemodifikovanih i modifikovanih bitumena koji se primenjuju u Srbiji i zaključeno je da BIT 60 zadovoljava u pogledu uslova primene na visokim temperaturama za najveći deo teritorije Srbije i da je primena modifikovanih bitumena opravdana samo na izuzetno opterećenim saobraćajnicama, ili saobraćajnicama sa usporenim saobraćajem.
Keywords:
bitumen testing / performance based characteristics / SUPERPAVE / PG classification / maximum pavement design temperature / minimum pavement design temperature / ispitivanje bitumena / reološke karakteristike / SUPERPAVE / PG klasifikacija / najviša projektna temperatura kolovoza / najniža projektna temperatura kolovoza
Source:
Put i saobraćaj, 2008, 55, 2, 12-22
Publisher:
  • Srpsko društvo za puteve VIA-VITA, Beograd

ISSN: 0478-9733

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URI
http://grafar.grf.bg.ac.rs/handle/123456789/202
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  • Radovi istraživača / Researcher's publications
  • Катедра за путеве, аеродроме и железнице
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