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Materials 2019, 12(5), 837; https://doi.org/10.3390/ma12050837

Experimental Study on Shear Capacity of Reinforced Concrete Beams with Corroded Longitudinal Reinforcement

1
Department of Architectural Engineering, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Korea
2
Department of Architectural Engineering, Korea National University of Transportation, 50 Daehak-ro, Geomdan-ri, Daesowon-myeon, Chungju-si, Chungcheongbuk-do 27469, Korea
*
Author to whom correspondence should be addressed.
Received: 15 February 2019 / Revised: 6 March 2019 / Accepted: 8 March 2019 / Published: 12 March 2019
(This article belongs to the Special Issue Corrosion of Reinforcing Steel in Reinforced Concrete)
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Abstract

In this study, shear tests were conducted to investigate the effects of longitudinal reinforcement corrosion on the shear capacity of reinforced concrete (RC) members with transverse reinforcement. To this end, a total of eight test specimens were fabricated, and the corrosion rates and anchorage details of rebars were set as test variables. In addition, an accelerated corrosion technique was used to introduce corrosion into the longitudinal reinforcement without corroding shear reinforcement. The test results indicated that the capacities of the specimens in which tension reinforcement was not properly anchored at the ends of the members decreased rapidly at high corrosion rates, whereas the capacities of the specimens in which tension reinforcement was properly anchored by hooks were similar to or higher than those of the non-corroded specimens, despite bond loss caused by corrosion. View Full-Text
Keywords: corrosion; reinforced concrete; shear behavior; bond performance; anchorage corrosion; reinforced concrete; shear behavior; bond performance; anchorage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Han, S.-J.; Joo, H.-E.; Choi, S.-H.; Heo, I.; Kim, K.S.; Seo, S.-Y. Experimental Study on Shear Capacity of Reinforced Concrete Beams with Corroded Longitudinal Reinforcement. Materials 2019, 12, 837.

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