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Characterization of Indian Reclaimed Asphalt Pavement (RAP) on the Basis of Sources of RAP and Gradation Characteristics of RAP Aggregates

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Document pages: 7 pages

Abstract: A good road network is key for economic and social development of a country. There is about 4.2 million kilometer road network in India which ranks second in the world only after United States. It is necessary to maintain previously constructed roads along with new road construction. Both construction and maintenance of roads leading to over exploitation of resources of aggregates. Most of Indian roads are bituminous surfaced pavements. Apart from depleting resources and Environmental issues, these roads are periodically resurfaced as maintenance action which intend to roads to attain a higher raised level as compared to initial level of road and adjoining properties and structures level. Recycled or Reclaimed Asphalt Pavement (RAP) has increasingly been used to replace fresh or virgin materials for highway construction and maintenance as an Eco- friendly-Sustainable solution to overcome these problems. RAP can be used in different layers of Flexible and Rigid pavements. In this research paper, an effort has been made to characterize the RAP on the basis of gradation characteristics of RAP aggregates and sources of RAP.

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