Design, construction, maintenance, and rehabilitation are all distinct components of a pavement’s service life cycle, each requiring technical and economic analyses of the alternatives available, and each with its own price tag.
As demands on pavement infrastructure continue to increase, so do the requirements for predicting just how long these runways, taxiways, and aprons can be expected to perform.
In 2011, the FAA’s Office of Airports committed to doubling the expected life of runways at large hub airports from the standard 20 years to 40 years. Large hub airports are those that accounted for at least 1% of the total U.S. enplanements during the last calendar year.
About 70% of the Airport Improvement Program (AIP) grants allocated each year are invested in airfield pavements. That’s over $2 billion of the $3.3 billion awarded to sponsor airports in Fiscal Year 2017. Research on pavement life, therefore, has become critical to saving stakeholders money.
Extended Pavement Life emphasizes value for the taxpayer dollar. Especially in high capacity airports, fewer interventions (rehabilitation projects) means lower capital costs, reduced delays, and less downtime for pavement reconstruction, which translates to life cycle cost savings for the FAA.
Longer pavement life also allows airports to serve greater numbers of passengers through unobstructed capacity. Simply put, it’s a win-win-win for all those involved.
The outcome of this research program will be an improved pavement design method incorporating long-term performance prediction models, extending the service lives of our nation’s airport pavements.
Contact Project Lead Dr. David Brill