journal article·2008-02

Flexural Strengthening of RC Beams with Prestressed CFRP Sheets: Using Nonmetallic Anchor Systems

Yail J. Kim, R. Gordon Wight, Mark F. Green

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Abstract

This paper presents the flexural behavior of reinforced concrete beams strengthened with prestressed carbon fiber-reinforced polymer (CFRP) sheets using nonmetallic anchor systems. The developed nonmetallic anchor systems replace the permanent steel anchorage. Nine doubly reinforced concrete beams are tested with various types of nonmetallic anchor systems such as nonanchored U-wraps, mechanically anchored U-wraps, and CFRP sheet-anchored U-wraps. The flexural behavior of the tested beams, including detailed failure modes of each nonmetallic anchor system, is investigated. The study shows that the developed nonmetallic anchors are more effective in resisting peeling-off cracks compared to the permanent steel anchors and the beams strengthened with the nonmetallic anchors provide comparable load-carrying capacity with respect to the steel anchored control beam.
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Research context

OpenAlex topics: Structural Behavior of Reinforced Concrete · Concrete Corrosion and Durability · Innovative concrete reinforcement materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Assistant Professor, Dept. of Civil Engineering, North Dakota State Univ., 58 Fargo, ND 58105. E-mail: jimmy@ndsu.edu

Associate Professor, Dept. of Civil Engineering, Royal Military College of Canada, P.O. Box 17000, STN FORCES, Kingston ON, Canada K7K 7B4. E-mail: wight-g@rmc.ca

Professor, Dept. of Civil Engineering, Queen’s Univ., 58 University Ave., Kingston Ave., Kingston ON, Canada K7L 3N6. E-mail: greenm@civil.queensu.ca

References (15)

Show source-provided references
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