Ductility

The ductility test (Figure 1) measures asphalt binder ductility by stretching a standard-sized briquette of asphalt binder (Figure 2)...
Thin-Film Oven

The thin-film oven (TFO) test simulates short-term aging by heating a film of asphalt binder in an oven for...
Asphalt Binder and Characterization

The asphalt content and gradation test can be used for HMA quality control, acceptance testing or forensic analysis. The...
Bending Beam Rheometer

Overview The Bending Beam Rheometer (BBR) test (see Figure 1) provides a measure of low temperature stiffness and relaxation...
Direct Tension Tester

Overview The Direct Tension Tester (DTT) test (see Figure 1, 2) provides a measure of low temperature stiffness and...
Dynamic Shear Rheometer

Overview The dynamic shear rheometer (DSR) (Figure 1 and Figure 2) is used to characterize the viscous and elastic...
Penetration Test

Aside from chewing, the penetration test is the oldest asphalt test. In 1888, H.C. Bowen of the Barber Asphalt...
Pressure Aging Vessel

Overview The Pressure Aging Vessel (PAV) (Figure 1) provides simulated long term aged asphalt binder for physical property testing....
Rolling Thin-Film Oven

Overview The Rolling Thin-Film Oven (RTFO) procedure (Figure 1) provides simulated short term aged asphalt binder for physical property...
Rotational Viscometer

Overview The Rotational Viscometer (RV) (Figure 1 and Figure 2) is used to determine the viscosity of asphalt binders...
Softening Point

Softening Point The softening point is defined as the temperature at which a bitumen sample can no longer support...
Spot Test

The spot test is used to determine whether or not an asphalt cement has been damaged during processing due...