Asphalt Tests – Pavement Interactive

The kinematic viscosity of a liquid is the absolute (or dynamic) viscosity divided by the density of the liquid...

Overview The Superpave Shear Tester (SST) (Figure 1) is used to characterize a HMA mixture's resistance to permanent deformation...

Viscosity is simply a measure of a fluid’s resistance to flow and is described by the following equation: Asphalt...

Performance tests are used to relate laboratory mix design to actual field performance. The Hveem (stabilometer) and Marshall (stability...

Mixture characterization tests are used to describe fundamental mixture parameters such as density and asphalt binder content. The three...

A typical flash point test involves heating a small sample of asphalt binder in a test cup. The temperature...

Overview The asphalt mixture performance tester (AMPT) is the companion performance test for use with the Superpave mix design...

Overview Asphalt binder content affects HMA mixture performance in the areas of stiffness, strength, durability, fatigue life, raveling, rutting...

Overview The bulk specific gravity test is used to determine the specific gravity of a compacted HMA sample by...

Overview Laboratory wheel-tracking devices (Figure 1) are used to run simulative tests that measure HMA qualities by rolling a...

Moisture susceptibility is a primary cause of distress in HMA pavements. HMA should not degrade substantially from moisture penetration...

Overview The theoretical maximum specific gravity (Gmm) of a HMA mixture is the specific gravity excluding air voids. Thus,...