EVALUATION OF ASBESTOS ASPHALT PAVING MIXES
NAVAL CIVIL ENGINEERING LAB PORT HUENEME CA
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An experiment was conducted to determine the effect on strength properties of adding asbestos fibers to asphalt paving mixtures. Beams, cylinders, and tensile briquets were molded with various percentages of asbestos up to 2 percent in combination with other fillers and a constant percentage of asphalt. Specimens were tested at the age of 0 months and at 6 and 18 months accelerated. Marshall specimens were made of the same mixes and tested as soon as molded. On the basis of a statistical analysis of the test results, strength properties did not improve enough to warrant further study.
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