Evaluation of performance characteristics of asphalt mixtures modified with renewable oils and reclaimed asphalt pavement (RAP)
MS Jameel, AH Khan, Z ur Rehman… - Construction and Building …, 2023 - Elsevier
Over the years, there has been a significant production of Reclaimed Asphalt Pavement
(RAP) from asphalt pavement maintenance and rehabilitation processes. This material is
typically thrown away and has negative impacts on the environment. However, it can be
reused for pavement construction, but it is crucial to use agents that restore its original
properties. This study evaluates the impact of two natural renewable oils, sunflower, and
soybean, on the properties of neat asphalt and asphalt mixtures that contain RAP. The …
(RAP) from asphalt pavement maintenance and rehabilitation processes. This material is
typically thrown away and has negative impacts on the environment. However, it can be
reused for pavement construction, but it is crucial to use agents that restore its original
properties. This study evaluates the impact of two natural renewable oils, sunflower, and
soybean, on the properties of neat asphalt and asphalt mixtures that contain RAP. The …
Abstract
Over the years, there has been a significant production of Reclaimed Asphalt Pavement (RAP) from asphalt pavement maintenance and rehabilitation processes. This material is typically thrown away and has negative impacts on the environment. However, it can be reused for pavement construction, but it is crucial to use agents that restore its original properties. This study evaluates the impact of two natural renewable oils, sunflower, and soybean, on the properties of neat asphalt and asphalt mixtures that contain RAP. The optimal amount used was 5%. The results show that sunflower and soybean oils are effective in rejuvenating aged asphalt in RAP mixtures by softening the aged binder. As a result, the modified asphalt mixtures exhibit improved resistance to low-temperature cracks, moisture susceptibility, and permanent deformation.
Elsevier
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