Evaluation of the fatigue and toughness of fiber reinforced concrete for use as a new highway pavement design : tech summary.

PDFTech Reporthttp://www.ltrc.lsu.edu/pdf/2016/ts_559.pdfLTRC Report 559SIO No. 30001504 / LTRC Project No. 14-3CFiber reinforced concreteReinforced concrete pavementsLouisianaLouisiana Transportation Research CenterRupnow, Tyson D.Louisiana Transportation Research CenterUS Transportation CollectionThis study presents the fi rst approach to develop a new concrete pavement structure reinforced only with fi bers. Thisresearch will identify probable combinations of fi bers (dosage and length combinations) that will adequately performin repeated load fatigue tests. While fi bers and high dosage fi ber combinations havebeen previously used in concrete, these combinations have never before been used in aDepartment of Transportation (DOT) pavement structure. The major diff erence betweenprevious applications and the current objective is number and level of load applications. Thefundamental objective of this research is to determine how CFRCPs behave under highwaytypeloading.The specific objectives of the study include:1. Characterize the fresh and hardened properties of CFRCP concrete.2. Determine the comparative fatigue resistance of diff erent fi bers, and diff ering fi berblends and dosage rates.3. Provide recommendations for future research, including full scale loading and possiblefi eld implementation sites