Of the $150 million USD pledged for the Strategic Highway Research Program (SHRP), approximately one-third ($50 million USD) is designated for Asphalt Binder Research. The SHRP program is a fiveyear, highly focused, product-oriented research effort. The goal of the asphalt portion of the program is to issue a new binder and mixture specification that will help federal, state and local regulator...

Surface wave method can be used to determine the properties of the component materials of a pavement structure. The measurements are made of the differences in the phase of a wave of the Rayleigh type, received at two points at known radial spacing from the source of the wave. Pavements for highways or airport runways are usually constructed of cement concrete. Such pavements are treated as a s...