LABORATORY EVALUATION OF ASPHALT MIXTURES CONTAINING VARIOUS PERCENTAGES OF RECLAIMED ASPHALT PAVEMENT
Journal Title: ASIAN JOURNAL OF NATURAL & APPLIED SCIENCES - Year 2012, Vol 1, Issue 2
Abstract
The use of Reclaimed Asphalt Pavement (RAP) has been enormously increased from the last two decades. In fact using RAP in pavement construction has now become most common practice in many countries. Using RAP not only economical and environmental friendly but also preserve the natural resources and similar or even better in performance than virgin asphalt mixtures. This paper presents an experimental study to evaluate the effect of various types and percentages of RAP on the properties of asphalt mixtures. Four mixtures, which were the combination of two different virgin aggregates and two different RAP sources, were studied in this research. RAP material was blended with virgin aggregate such that all specimens tested had approximately the same gradation. Mixtures containing RAP showed significant variability and the variability increased with the increase in RAP content.
Authors and Affiliations
Arshad Hussain, Qiu Yanjun
Keywords
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