Characterization of Reclaimed Asphalt Pavement
Umesh kamariya
Student of Final year, M. Tech (Transportation System Engineering), B.V.M. Engineering College, Vallabh Vidyanagar, Gujarat, India , IN
Dr L. B. Zala
Student of Final year, M. Tech (Transportation System Engineering), B.V.M. Engineering College, Vallabh Vidyanagar, Gujarat, India , IN
Amit A. Amin
Student of Final year, M. Tech (Transportation System Engineering), B.V.M. Engineering College, Vallabh Vidyanagar, Gujarat, India , IN
Keywords: Hot Mix Asphalt (HMA),Reclaimed Asphalt pavement (RAP), Milling, Dense Bituminous macadam (DBM), Gradation, Stability, Optimum Bitumen Content, Tensile Strength Ratio (TSR)
Abstract
Reclaimed asphalt pavement (RAP) is one of the most effective and innovative technique throughout many places in the world. Now-a-day the use of RAP is gradually increasing popularity and becomes emerging technique in India. RAP is removed and/or reprocessed pavement materials containing bitumen coated aggregates. These materials are generated when bituminous pavement is removed for resurfacing, reconstruction, or to obtain access to buried utilities. It consists of high-quality, well-graded aggregates coated with asphalt cement, when crushed and screened properly. RAP materials are a useful alternative for use in pavement construction which not only help in reducing the cost of project but it also ensures the proper utilization of resources and reduce the use of fresh materials required for the construction of new road. The main objectives of this study are to evaluate the characteristics of reclaimed asphalt pavement (RAP) material and properties of fresh materials and fresh bitumen, preparation of several Marshall mixes
samples using different percentage of RAP materials with fresh materials to achieve optimum binder content by using Marshall method. Also, to investigate the performance of bituminous mixes, performance evaluation test has been carried out for tensile strength ratio. Pavement design as per Indian Roads Congress (IRC) method to calculate the economical benefits in utilization of RAP material in terms of quantity and fresh materials saving
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