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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Epoxy Socketed Anchors for Nonmetallic Prestressing Tendons
Author(s): Lars E. Holte, Charles W. Dolan, and Richard J. Schmidt
Publication: Special Publication
Appears on pages(s): 381-400
Keywords: anchors (fasteners); epoxy reins; fiber reinforced plastics; finite element method; prestressing steels; shear stress; Structural Research
Abstract:Finite element analyses and experimental confirmation tests were conducted to evaluate epoxy-socketed anchors for fiber reinforced plastic prestressing tendons. The studies disclosed that a parabolically varying profile provides superior performance compared to a conventional linear conic anchor. It was also found that an anchor with a bond release agent on the surface between the socket and resin plug results in a lower peak shear stress compared to a bonded anchor. The combination of a parabolic anchor and bond release agent permits use of a wider range of resins as socketing agents and is less sensitive to construction tolerances. Additional research is suggested to optimize material selection, anchor geometry, and anchor construction.
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