Uzun Süreli Yaşlandırılmış Etilen Vinil Asetat (EVA) Polimer Katkılı Asfalt Bağlayıcının Yorulma Ömrünün İncelenmesi

Abstract

The fatigue life of polymer modified B50/70 asphalt binder obtained from Turkey refinery was studied in this work. EVA modifier is used extensively to improve the fatigue performance of binder in the middle temperature range. After the EVA modification, the binders were exposed to short term and long term aging processes by means of rolling thin film oven (RTFO) and pressure aging vessel (PAV) tests, respectively. The fatigue performance of binders was evaluated by dynamic shear rheometer (DSR) Anton Paar Smart Pave Plus 301. The fatigue parameter was investigated by means of two different tests namely Superpave fatigue test and linear amplitude sweep (LAS) test, and the results obtained from these two tests were compared. The results showed that EVA modifier extends the fatigue performance and the fatigue life of binders.