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Effect of Epoxy Coating Thickness on Bond Strength of No. 19 [No. 6] Reinforcing Bars
Miller, Gerald G. Kepler, Jennifer L. Darwin, David
Miller, Gerald G.
Kepler, Jennifer L.
Darwin, David
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Abstract
ASTM A 944 beam-end specimens are used to evaluate the relative bond strength of epoxycoated No. 19 [No. 61 reinforcing bars with coating thicknesses ranging from 160 to 510 pm (6.4 to 19.9 mils). Three deformation patterns are evaluated using epoxy meeting the requirements of ASTM A 775. The reduction in bond strength caused by epoxy coatings between 160 and 420 pm (6.4 and 16.5 mils) is largely independent of coating thickness, The reduction increases for coatings thicker than 420 pm (16.5 rmls).
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Date
1998-01
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University of Kansas Center for Research, Inc.
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darwin_epoxy.PDF
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Keywords
Bond (concrete to reinforcement), Deformed reinforcement, Development, Epoxy coating, Reinforcing steels, Relative rib area, Structural engineering
Citation
Miller, G.G., Kepler, J.L., and Darwin, D., "Effect of Epoxy Coating Thickness on Bond Strength of No. 19 [No. 6] Reinforcing Bars," SL Report 98-1, University of Kansas Center for Research, Inc., Lawrence, Kansas, January, 1998, 26 pp.