Global ETD Search
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Showing 1 to 7 of 7 for “"Recycled asphalt pavement (RAP)"”.
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Evaluation of Nevada's Warm Mix Asphalt Mixtures with Recycled Asphalt Pavements
The purpose of this study is to evaluate warm mix asphalts (WMA) with recycled asphalt pavement (RAP) from Nevada. For this study, four different warm mix technologies and four different aggregate sources with two different percentages of recycled asphalt binder ratios were used.Aggregates from …
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Jatropha curcas oil as a bio-based rejuvenating agent for reclaimed asphalt pavement mixtures
Recycled asphalt pavement (RAP) is the most effective way to reduce the use of fresh asphalt binder and to consider its application at a higher percentage for the preparation of Hot Mix Asphalt (HMA). Use of RAP in HMA helps to lower the consumption of virgin aggregates and binder, consequently the …
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Evaluation of the degree of blending of Reclaimed Asphalt Pavement (RAP) binder for warm mix asphalt
… has seen the emergence of a plethora of warm mix asphalt (WMA) technologies and application. With most states incorporating a recycled asphalt pavement (RAP) limit, it is necessary for WMA to not only serve as a greener technology but to work in conjunction with current RAP practices. Presently, …
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An analysis of impact factors on the Illinois flexibility index test
The use of recycled materials in asphalt pavements has become widespread in recent years. Materials such as recycled asphalt pavement (RAP) and recycled asphalt shingles (RAS) have been incorporated into the material design of typical pavements. The use of these materials is both economically and …
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Asphalt mixture evaluation using performance space diagrams, digital image correlation, and discrete element modeling
The use of asphalt modifiers and recycled asphalt materials in asphalt concrete has generated a need for greater laboratory evaluation. Asphalt modifiers, such as styrene butadiene styrene (SBS) polymer, bio-modifiers, and warm mix asphalt processes, and recycled asphalt materials, such as recycled …
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Assessment of Fracture Resistance of Asphalt Overlays through Heavy Vehicle Simulator and Laboratory Testing: Synthetic Fiber and Rubber Modified SMA Mixes
… existing jointed Portland Cement Concrete (PCC) pavements in the road network. Since these pavements are in general expensive to rehabilitate, agencies often opt for overlaying the deteriorated PCC pavement with Hot Mix Asphalt (HMA), resulting in a composite pavement. Unfortunately, the tensile …
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Mechanical and surface free energy characterization of asphalt concrete for moisture damage detection
… the degradation of the mechanical properties of asphalt concrete (AC) caused by moisture. Moisture damage causes a severe loss in the strength and durability of asphalt pavements, leading to a major decrease in pavement performance. Hence, many additives are used to mitigate the effect of …