| RECOMMENDATIONS
1. VDOT’s Materials Division should consider composite pavement structures with CTB as one
of the alternatives in the PTS process for interstate (or other high volume) highways.
However, appropriate methods should be used to mitigate reflective cracking at the HMA
surface.
2. VDOT’s Materials Division should also consider composite pavement structures with a
CRCP base for very high traffic highways (carrying approximately 140 million ESALs or
greater) due to their relatively low long-term maintenance needs. Since the CRCP does not
have any transversal joints, reflective cracks should not significantly affect the functionality,
serviceability, or structural adequacy of the pavement system. For VDOT, the most
applicable locations for composite pavements would be areas of total reconstruction or lane
additions (such as truck climbing lanes).
36
Chia sẻ với bạn bè của bạn: | 
