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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Practical Application of Aramid FRP Rods to Prestressed Concrete Structures
Author(s): K. Noritake, K. Mukae, S Kumagai, and J. Mizutani
Publication: Symposium Paper
Appears on pages(s): 853-874
Keywords: anchorage (structural); anchors (fasteners); bending; bonding; bridges (structures); failure; fiber reinforced plastics; fibers; harbor structures; loading tests; post-tensioning; prestressed concrete; prestressing steels; relaxation (mechanics); stresse
Abstract:Aramid FRP rods, a composite of reinforced aramid fibers, are corrosion-free and used in various fields. Aramid FRP rods have been gaining attention for their use in prestressed concrete tendons. They have high tensile strength and excellent resistance. They are manufactured from aramid fibers and vinylester resin using a pultrusion process. The physical properties of aramid FRP rods were determined experimentally. Use of aramid FRP rods as prestressed concrete tendons requires a high-bond performance with grout or concrete, and a special anchoring system also had to be developed. Studies carried out in response to these requirements enabled the authors to conclude that aramid rods could make viable prestressed concrete tendons. A pretensioned road bridge (L = 12.5 m), a post-tensioned road bridge (L = 25.0 m); a ground anchor, and a prestressed concrete berth were constructed using aramid FRP rods.
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