RoadScience

Better Roads Staff - May 06, 2012

A Concrete Solution: Admixtures Change PCC Performance By Tom Kuennen, Contributing Editor Portland cement concrete (PCC) is the most widely used structural material in transportation infrastructure, and it’s widely used for pavements as well. But the control of freshly mixed PCC properties is ...

Cracking Cold

Better Roads Staff - Feb 17, 2012

Solving the Riddle of RAP and Thermal Cracking By Tom Kuennen, Contributing Editor Use of reclaimed asphalt pavement (RAP) in hot-, warm- and cold-mix asphalt is growing dramatically, as tests validate its use in ever-increasing quantities. But there are fears that higher quantities ...

Fast Forward

Better Roads Staff - Feb 17, 2012

AASHTO’s TSP•2 Program Speeds Acceptance of Technologies, Materials A technology transfer program administered by the American Association of State Highway & Transportation Officials (AASHTO) is helping state departments of transportation expedite review of potentially promising new pavement and bridge technologies prior ...