Binder Tests

Ductility

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

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Thin-Film Oven

Thin-Film Oven
The thin-film oven (TFO) test simulates short-term aging by heating a film of asphalt binder in an oven for...

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Asphalt Binder and Characterization

Asphalt Binder and Characterization
The asphalt content and gradation test can be used for HMA quality control, acceptance testing or forensic analysis.  The...

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Bending Beam Rheometer

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

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Direct Tension Tester

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

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Dynamic Shear Rheometer

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

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Penetration Test

Penetration Test
Aside from chewing, the penetration test is the oldest asphalt test. In 1888, H.C. Bowen of the Barber Asphalt...

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Pressure Aging Vessel

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

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Rolling Thin-Film Oven

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

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Rotational Viscometer

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

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Softening Point

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

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Spot Test

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

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