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AASHTO T 301-99 (2003)
- Standard Method of Test for Elastic Recovery Test of Asphalt Materials by Means of a Ductilometer
- standard by American Association of State and Highway Transportation Officials,
- Publisher: AASHTO
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This method is to determine the elastic recovery of asphalt material through the use of a ductilometer and briquet specimens. The specimens are pulled apart at 5 cm/min and held after a specified elongation. The specimens are then severed at the center and allowed to recover undisturbed for one hour.