ASTM D5801−12 Standard Test Method for Toughness and Tenacity of Bituminous Materials

ASTM D5801−12 Standard Test Method for Toughness and Tenacity of Bituminous Materials

Scope
1.1 This test method describes the procedure for measuring the toughness and tenacity of bituminous materials. Typically, the test method has been used to characterize elastomer modified asphalts, although values for toughness and tenacity may be obtained for any type of polymer-modified or nonmodified asphalt.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.2.1 Exception—Sample mass is given only in SI units. Sample mass as given in SI units should be regarded as standard. No other units of sample mass are included in this standard.

ASTM D5801−12 Standard Test Method for Toughness and Tenacity of Bituminous Materials

Significance and Use
4.1 This test method is useful in confirming that an asphalt cement has been modified with a material that provides a significant elastomeric component.

Elastomer modified asphalts can be characterized by their ability to be stretched to a large elongation while at the same time resisting further stretching.

Toughness and tenacity are two parameters for measuring this ability