Abstract

AbstractThis paper investigates the manufacturing technology and anchoring effectiveness of a proposed novel wedge anchor for multitendon fiber-reinforced polymer (FRP) cables. Manufacturing of the FRP cable used 19 FRP tendons with a diameter of 4 mm, and its anchor system was first studied by addressing the reliable bonding between each tendon and the realization of the variable elastic modulus of the load-transfer component (LTC) in the anchor zone. The experimental demonstration included evaluating the tensile properties of the FRP cable, the strain distribution in the anchor zone, and the stress-strain relationship of the cable. The anchor effect was evaluated through a comparison of strain distributions among the finite-element simulation and experimental results. Furthermore, the anchor efficiency of the tested cables was evaluated. The results indicate that the winding of fiber roving around each tendon at the anchor zone benefits the integration of the tendons, and the variable elastic modulus of...

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