FHWA report includes summary of performance seen by multiple agencies, confirms CIR has better results than mill & fill; And the same or longer pavement life, with equal or lower NPV than conventional HMA. Report recommends an AASHTO structural layer coefficient of 0.32-0.34 for CIR mixes.
Citations
FHWA-CFL/TD-12-00x U.S. Department of Transportation: Federal Highway Administration (FHWA), 2012.
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