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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: Quality Control Test for Carbon Fiber Reinforced Polymer (CFRP) Anchors for Rehabilitation
Author(s): Guillermo D. Huaco, James O. Jirsa, and Oguzhan Bayrak
Publication: Special Publication
Appears on pages(s): 1-18
Keywords: CFRP anchor, CFRP anchor failure, CFRP sheet, CFRP sheet fracture, concrete shear failure, debonding
Abstract:Different strategies can be used to repair, rehabilitate and strengthen existing structures. Techniques based on Fiber Reinforced Polymer (FRP) materials appear to be innovative alternatives to traditional solutions because of their high tensile strength, lightweight, and ease of installation. One of the most common and useful FRPs is Carbon Fiber Reinforced Polymer (CFRP) sheets and anchors attached to strengthen the section through addition of tensile capacity. The purpose of this study was to develop a technique for assessing the strength of anchors for quality control. A method for assessing the quality of CFRP anchor installation was developed using plain concrete beams reinforced externally with CFRP sheets attached with epoxy and CFRP anchors. Under loading on the beam, a tensile force was developed in the CFRP sheets and a shear force on the CFRP anchors. The forces in the CFRP anchors were defined by the load applied to the beam and compared with forces based on measured stress in CFRP sheets.
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