Construction practice is a key factor in building high quality pavement. Unfortunately failure and distresses frequently develop shortly after construction. These distresses may be due to the contractors failing to follow the guidelines and specifications. Monitoring pavement co…
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In the Gulf countries, asphalt pavements show signs of high severity distresses in the early stages of service. One of the main factors contributing to these distresses is the asphalt cement. Asphalt cement is characterized by its viscous and elastic properties. Two tests are us…
Asphalt binders are thermo-visco-elastic materials where temperature and rate of load application have a great influence on their behavior. They are classified as a rheological materials since their stress-strain response is both time and temperature dependent. Asphalt binder co…
Asphalt cement is viscoelastic material, which is time and temperature dependent. At high temperatures asphalt cement behaves as a viscous material. At below freezing temperatures it acts as a brittle solid and is more susceptible to temperature cracking. In order to improve bot…
Thermal cracking is a major form of distress in much of the northern United States. Moreover, field performance data indicate that HMA mixtures in the intermountain region of the U.S. experience severe thermal cracking distresses that are not well covered by current technology. …
This research documents an extensive study on the design and characterization of asphalt mixtures for use as road pavement material. Several aspects of asphalt mixtures were addressed using the state of the art laboratory test equipment and technical literature from different in…
The Regional Transportation Commission (RTC) of the Washoe Valley Area has been tasked to determine if three advanced asphalt pavement technologies and one modified aggregate gradation are suitable for implementation within Reno, Stead, and Sparks Nevada. This was accomplished t…
Asphalt is an amorphous material whose mechanical performance relies on viscoelastic responses to applied strain or stress. High quality pavement can enhance the commute experience and also can reduce the risk of accidents as well as preventing air pollution. Furthermore, it als…