A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Investigation into the Use of Reclaimed Asphalt Pavement in Asphalt Concrete
Abstract This paper reviews the recycling of reclaimed asphalt pavement (RAP). The review establishes the various methods of obtaining RAP which include milling, pavement demolition and plant waste. It also looks at the recycling methods which include: hot mix recycling; hot-in-place recycling; cold mix recycling; cold-in-place recycling and full depth reclamation. The benefits and challenges of recycling RAP were also considered. The laboratory study examines the Marshall properties of virgin asphalt concrete and the one containing 20%, 30%, 40%, 50%, 60%, 70% and 100%. The study reveals that the optimum amount of RAP that can be used is 60%. It concludes that recycling of RAP can be used in the asphalt concrete. Therefore, it recommends that for successful recycling of RAP in Nigeria, it is important to: evaluate the properties of RAP; perform enough pavement sampling to estimate variability of material properties; separate and identify by source large quantities of RAP obtained from different sources and commission research into the generation, management and recycling of RAP.
Investigation into the Use of Reclaimed Asphalt Pavement in Asphalt Concrete
Abstract This paper reviews the recycling of reclaimed asphalt pavement (RAP). The review establishes the various methods of obtaining RAP which include milling, pavement demolition and plant waste. It also looks at the recycling methods which include: hot mix recycling; hot-in-place recycling; cold mix recycling; cold-in-place recycling and full depth reclamation. The benefits and challenges of recycling RAP were also considered. The laboratory study examines the Marshall properties of virgin asphalt concrete and the one containing 20%, 30%, 40%, 50%, 60%, 70% and 100%. The study reveals that the optimum amount of RAP that can be used is 60%. It concludes that recycling of RAP can be used in the asphalt concrete. Therefore, it recommends that for successful recycling of RAP in Nigeria, it is important to: evaluate the properties of RAP; perform enough pavement sampling to estimate variability of material properties; separate and identify by source large quantities of RAP obtained from different sources and commission research into the generation, management and recycling of RAP.
Investigation into the Use of Reclaimed Asphalt Pavement in Asphalt Concrete
Ogundipe, Olumide Moses (author)
2019-08-30
11 pages
Article/Chapter (Book)
Electronic Resource
English
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