Osamah H. CHAFAT, Sahar Basim Al-GHURAB, Basim H. Al-HUMEIDAWI
University of Al-Qadisiyah, College of Engineering
Investigation the effect of newly used polymer modified
bitumen on the performance of hot mix asphalt containing
reclaimed asphalt pavement
Ma & Dong, 2020). The impact of polymer
on performance of RAP-containing
mixtures has also been studied in the
literature (Daryaee, Ameri & Mansourkhaki,
2020; Wang et al., 2020). Some
researchers reported, it is possible to
produce HMA with a high RAP content
and acceptable mechanical properties,
however, thermal cracking resistance,
fatigue resistance need further investigation
(Leiva-Villacorta, Taylor & Willis,
2017).
Zhou, Gu, Jiang, Ni and Jiang (2019)
studied the effect of RAP on the fatigue
resistance of PMB mixtures. Their results
showed that the increasing of RAP materials
leads to increasing in fatigue life
of mixtures. Pradhan and Sahoo (2020)
examined the volumetric and mechanical
properties of eleven mixes, five of
them contained 30–70% RAP with softer
binder, five mixes containing RAP with
a rejuvenator, and one control mix. They
found that, all mixes met the specifica