This report explores the effects of subsurface drainage features on pavement performance through a program of inspection and testing of the subsurface drainage features present in the Long-Term Pavement Performance SPS-1 (flexible hot-mix asphalt pavement) and SPS-2 (rigid portland cement concrete pavement) field sections. (Author/publisher) This report may be accessed by Internet users at http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_583.pdf
Samenvatting