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Articles by Mohammad Alharthai
Evaluation of an Asphalt Mixture Containing a High Content of Reclaimed Asphalt Pavement (RAP) Materials with Epoxy Asphalt
1. Introduction According to the recent highway statistics published by the United States (U.S.) Department of Transportation (DOT) Federal Highway Administration (FHWA), there are around 2.9 million miles of paved public roads in the U.S., of which about 98% are paved with asphalt material []. Moreover, in 2021, the estimated total amount of asphalt mixture produced in the U.S. was 432.4 million tons, a six percent increase from the previous year [].
A Review of Rubberised Asphalt for Flexible Pavement Applications: Production, Content, Performance, Motivations and Future Directions
3.6. Life Cycle Costs When comparing the relative costs of pavement solutions, it is essential to consider the related raw material and manufacturing plant costs and select the appropriate materials when designing, developing and producing the rubber asphalt to achieve the required pavement structure and drainage that ensures superior pavement performance. Dias et al.
Influence of Warm Mix Asphalt Additives on the Physical Characteristics of Crumb Rubber Asphalt Binders
3. Results and Discussion 3.1. Penetration The assessment of asphalt binder characteristics involves multiple tests to determine their properties. Figure 4 illustrates the penetration values of various asphalt binders at 25 °C, which serve as an indicator of their hardness or softness. A lower penetration value in CR asphalt binders corresponds to increased hardness.
Applications of Terrestrial Laser Scanner in Detecting Pavement Surface Defects
Abstract : An entire roadway system represents a crucial element in the sustainable urban transportation planning process. Pavement surfaces are at continual risk of accumulating serious deteriorations and defects throughout their service life due to traffic loading and environmental impact. Since roadway networks are growing rapidly, relying on visual pavement inspection is not always feasible.
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