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[59020] Artykuł: Viscoelastic properties of polymer modified bitumen in Warm Mix Asphalt technology in terms of ageingCzasopismo: Procedia Engineering Tom: 172, Strony: 401-408ISSN: 1877-7058 Wydawca: ELSEVIER SCIENCE BV, SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS Opublikowano: 2017 Seria wydawnicza: Procedia Engineering Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science) Punkty MNiSW: 15 Klasyfikacja Web of Science: Proceedings Paper Pełny tekst DOI Web of Science Keywords: ageing  modified RTFOT  PAV  WMA  synthetic wax  fatty amine  |
The paper presents the influence of ageing on the viscoelastic properties of the polymer modified bitumen (PMB) in WMA technology. The base bitumen was PMB 45/ 80-65. Fischer-Tropsch synthetic wax (SW) and the liquid surface active agent (FA) ware used as a bitumen viscosity-reducing modifiers. All properties of binders have been determined before ageing (NEAT) and after long-term ageing (RTFOT+ PAV). The research area includes the study basic properties (softening point and Fraass breaking point) and rheological characteristics (zero shear viscosity ZSV, complex viscosity.0 and rutting factor G*/sin delta). It was found that fatty amine additive works as a ageing inhibitor. The ageing process revealed degradation process in polymer. This phenomenon is more explicit in the bitumen modified with wax than the fatty amine. (C) 2016 The Authors. Published by Elsevier Ltd