This state-of-the-art report is on the moisture susceptibility of asphalt mixtures used in highway pavements. It addresses the known causes of moisture damage, methods for controlling damage such as antistripping additives, and moisture damage tests. Several current research studies are also given in the report. Moisture damage in asphalt mixtures is a complex mechanism which is not well understood and has many interacting factors. This report is mainly concerned with dense-graded hot asphalt mixtures as most of the literature discusses these types of mixtures. Some information on chip seals and emulsion mixtures is also included. One of the intents of this report is to indicate where data is lacking so that research can be performed in these areas. State-of-the-art reports often give the impression that more is known than is really known. More knowledge is needed in all areas dealing with moisture damage in asphalt pavements. How to develop moisture damage tests so that they relate to pavement performance needs to be addressed.
This report contains a summary of moisture damage and stripping of asphalt mixtures, methods for reducing the damage, and recommendations related to t...
Since the late 1970s there has been much research performed to better understand the stripping phenomenon in asphalt mixtures.As a result, there have ...
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United States Department of Transportation
[PDF-10.82 MB]
