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A platform for research: civil engineering, architecture and urbanism
Resilient Modulus of a Blended Mixture of Recycled Asphalt Pavement and Natural Aggregate as Road Pavement Base Material
The present paper characterizes recycled asphalt pavement (RAP) samples from old parking lot and determines their suitability as road pavement materials. Virgin aggregates or natural coarse aggregate (NCA), recycled asphalt pavement (RAP) aggregates, and several blended mixtures with 20 to 80% replacement of virgin aggregate by weight with RAP were prepared and tested for resilient modulus (Mr) and California bearing ratio (CBR) test. The resilient modulus value for 100% RAP was found to be higher than that of 100% NCA. The resilient modulus (Mr) of the RAP sample blended with NCA mixtures increases with the increase of RAP percentage and with the increase in the confining pressure. Also with the increase in the deviator stress there was decrease in the resilient modulus of the blended samples. The results of CBR value for the blended mixture decreases with the increase in the percentage of the recycled asphalt pavement aggregates. Based on the test results, RAP can be used for granular base material for road pavement.
Resilient Modulus of a Blended Mixture of Recycled Asphalt Pavement and Natural Aggregate as Road Pavement Base Material
The present paper characterizes recycled asphalt pavement (RAP) samples from old parking lot and determines their suitability as road pavement materials. Virgin aggregates or natural coarse aggregate (NCA), recycled asphalt pavement (RAP) aggregates, and several blended mixtures with 20 to 80% replacement of virgin aggregate by weight with RAP were prepared and tested for resilient modulus (Mr) and California bearing ratio (CBR) test. The resilient modulus value for 100% RAP was found to be higher than that of 100% NCA. The resilient modulus (Mr) of the RAP sample blended with NCA mixtures increases with the increase of RAP percentage and with the increase in the confining pressure. Also with the increase in the deviator stress there was decrease in the resilient modulus of the blended samples. The results of CBR value for the blended mixture decreases with the increase in the percentage of the recycled asphalt pavement aggregates. Based on the test results, RAP can be used for granular base material for road pavement.
Resilient Modulus of a Blended Mixture of Recycled Asphalt Pavement and Natural Aggregate as Road Pavement Base Material
Kolay, Prabir K. (author) / Singh, Pralendra (author)
Geo-Chicago 2016 ; 2016 ; Chicago, Illinois
Geo-Chicago 2016 ; 677-686
2016-08-08
Conference paper
Electronic Resource
English
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