Report No.	AZP13 (jot this number down to order)
Title	Testing Methods for Asphalt-Rubber
Author(s)	Jimenez, Dr. R.A., U of A
Publisher	ADOT/USDOT/FHWA
Pub. Date	January, 1978
Pages	94
Keywords	asphalt-rubber, rubberized asphalt, asphalt testing, reflection cracking
Description	Testing was concerned with evaluating asphalt rubber (A/R) interlayers in regards to their effectiveness in minimizing reflective cracking. Viscosity and ductility tests were performed on the A/R binder. Two special tests, horizontal shear and vertical shear, were developed to compare A/R and RC-250 as a SAL. The vertical shear test indicated the principal benefits of the A/R came from maintaining its pliability at low temperatures. No significant difference was noted at 77 degrees F between the A/R and RC-250 by the vertical shear test.
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