December 2015 | EquipmentWorld.com
52
road science
|
by Tom Kuennen
Experts agree: For long-lived asphalt pavements and overlays, bond them with a well-placed
bond or "tack" coat. But in practice, they're not applied consistently, compromising the long-term
performance of the bituminous surfacing.
Understanding and correct placement of bond or tack coats is essential for long-lived asphalt
pavements. New research underscores the importance of bond coats, and new materials are
changing how these essential placements are formulated.
FOR LIFE
BONDED
