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Determining Of The Binder Content Of Hot Mix Asphalt Containing Dolomitic Aggregates Using The Ignition Oven, Karol K. Kowalski, Rebecca S. Mcdaniel, Jan Olek, Ayesha Shah
Determining Of The Binder Content Of Hot Mix Asphalt Containing Dolomitic Aggregates Using The Ignition Oven, Karol K. Kowalski, Rebecca S. Mcdaniel, Jan Olek, Ayesha Shah
JTRP Technical Reports
The binder content of an HMA mix is one of the critical factors affecting the quality of the mix. The ignition oven is one widely used method for determining the binder content, however, its use is problematic with some types of aggregates, including dolomites. With these aggregates, the mass loss continues after the binder is burned off as the aggregates decompose and the test does not terminate at a stable mass. This study investigated the factors that affect this mass loss in problematic aggregates and developed a modified ignition oven procedure to limit this mass loss. The mass loss in …