13-9. A paper in the Journal of the Association of Asphalt Paving Technologists (Vol
Chapter 13, Problem 13-9(choose chapter or problem)
13-9. A paper in the Journal of the Association of Asphalt Paving Technologists (Vol. 59, 1990) describes an experiment to determine the effect of air voids on percentage retained strength of asphalt. For purposes of the experiment, air voids are controlled at three levels; low (24%), medium (46%), and high (68%). The data are shown in the following table
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