Articles by Gregory A. Harder, P.E.
Early preventative maintenance extends asphalt pavement life
October 1, 2022
As asphalt pavements age, the asphalt binder that glues the…
Read More
Evolution of mixture performance testing in New Jersey
March 14, 2020
The New Jersey Department of Transportation (NJDOT) is often recognized…
Read More
Are PG 64E binders your father’s PG 76?
January 18, 2019
Put it to the test The year was 1993 and…
Read More
Full implementation of Multiple Stress Creep Recovery (MSCR)
February 12, 2018
A look at three Northeast U.S. states Back in the…
Read More
Job story: Cold mix and collaboration
May 26, 2016
For Cortland County, the Truxton-Tully Road project began in 2011…
Read MoreIncreasing RAP without lowering standards
April 15, 2014
Three paving strategies being explored in the Northeast Recycling asphalt…
Read MoreChoosing micromilling over paver-placed surface treatment
February 15, 2013
As the old adage goes, “there is more than one…
Read MoreNew York gains experience with warm mix
October 30, 2011
When the New York State Department of Transportation (NYSDOT) decided…
Read More
© 2024
Asphalt Magazine. All rights reserved. Asphalt Institute, triangle logo and Asphalt magazine are all trademarks of the Asphalt Institute.