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50 ACI American Concrete Institute ACPA American Concrete Pavement Association AEA air entraining agent ALF Accelerated Loading Facility BCO bonded concrete overlay CIPR cold in-place recycling CRCP continuously reinforced concrete pavement CTE coefficient of thermal expansion DBI dowel bar inserter DCP dynamic cone penetrometer ESAL equivalent (18-kip or 80-kN) single-axle load FEM finite-element method (or finite-element model) FRC fiber-reinforced concrete FWD falling weight deflectometer GGBFS ground-granulated blast furnace slag HIPERPAV High Performance Concrete Paving Software HMA hot-mix asphalt IPRF Innovative Pavement Research Foundation JPCP jointed plain concrete pavement JRCP jointed reinforced concrete pavement LCC life-cycle cost NPV net present value PCA Portland Cement Association PCC portland cement concrete PCI pavement condition index PWL percent within limits QC/QA quality control/quality assurance SCM supplementary cementitious material SHA state highway agency TFHRC TurnerâFairbank Highway Research Center TWT thin whitetopping UBOL unbonded concrete overlay UTW ultrathin whitetopping GLOSSARY OF ACRONYMS