Assessment of asphalt interlayer designed on jointed concrete : [tech transfer summary].

PDFBriefInTrans Project 13-475SPR RB38-013Hot mix paving mixturesReflection crackingOverlays (Pavements)Pavement interlayersMix designField testsPortland cement concretePavement performanceEvaluation and assessmentIowaIowa State University. Institute for TransportationWilliams, R. ChristopherIowa State University. Institute for TransportationIowa. Dept. of TransportationUnited States. Federal Highway AdministrationUS Transportation CollectionBased on the substantial reduction in reflective cracking and only marginalcost increases from using the interlayer on this research project, it isrecommended that future hot mix asphalt (HMA) overlay projects in Iowaconsider using the crack-relief interlayer to delay reflective cracking