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    Bond of Epoxy-Coated Reinforcement: Coefficient of Friction and Rib Face Angle

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    Darwin_1999 (6.264Mb)
    Issue Date
    1999
    Author
    Idun, Emmanuel K.
    Darwin, David
    Publisher
    American Concrete Institute
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Published Version
    https://iri.ku.edu/reports
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    Abstract
    The coefficients of friction between epoxy-coated and uncoated reinforcing steel and mortar and the effects of rib face angle on the relative bond strength of epoxy-coated bars are determined. Results for 130 test specimens indicate that the average coefficient of friction is about 0.49 between epoxy-coated reinforcing steel and mortar and about 0.56 between uncoated reinforcing steel and mortar. Based on 58 beam-end specimen tests using both machined and rolled 1-in. (25-mm) nominal diameter reinforcing bars with face angles of 30, 40, 45, 60, and 90 deg, epoxy coating has the least effect on the bond strength of steel reinforcing bars to concrete when the rib face angle is greater than or equal to 45 deg.
    URI
    http://hdl.handle.net/1808/23384
    Collections
    • Infrastructure Research Institute Scholarly Works [322]
    Citation
    E. K., Idun, and Darwin, D., "Epoxy-Coated Reinforcement: Coefficient of Friction and Rib Face Angle," ACI Structural Journal, Vol. 96, No. 4, July-Aug., 1999, pp. 609-615.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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