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| | | Article Name : | | | Reinforcement Bond Strength Interface Behavior of
Corroded and Coated in Concrete Members | | Author Name : | | | GEDE TARIEBIBO ENAI, CHARLES KENNEDY, GEOFREY BANJE | | Publisher : | | | Bridge Center | | Article URL : |  | | | Abstract : | | | This study investigated the bond strength between concrete and
diameter reduction of reinforcement due to corroded effect of
reinforcing steel exposed to harsh weather from the marine coastal
region of Niger Delta of Nigeria. The application of artocarpus altilis
exudate on reinforcement with coating thickness of 150µm, 300µm and
450µm, immersed in concrete cube and ponded in sodium chloride
(NaCl) and accelerated for 150days. Obtained percentile average
failure bond load -44.963% against 81.698% and 81.977% control and
coated exudates/resin member. Percentile bond strength load is -
33.7477% against 50.989% and 96.833% and maximum slip percentile
average value is -30.8221% against 44.555% control. Comparative
results, obtained values of corroded specimens decreased while control
and exudates/resins coated specimens increased. Entire results showed
higher values of pullout bond strength in control and exudates/resin
coated to corroded specimens. Overall results justify the effectiveness of
artocarpus altilis exudates as corrosion inhibitors. | | Keywords : | | | Corrosion, Corrosion inhibitors, Pull-out Bond Strength,
Concrete and Steel Reinforcement |
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