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Structural Engineering and Mechanics Volume 49, Number 1, January10 2014 , pages 81-93 DOI: https://doi.org/10.12989/sem.2014.49.1.081 |
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Flexural bond strength behaviour in OPC concrete of NBS beam for various corrosion levels |
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Akshatha Shetty, Katta Venkataramana and K.S. Babu Narayan
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| Abstract | ||
| Corrosion is one of the primary reasons why structures have limited durability. The present investigation is carried out to study the behavior of RC (Reinforced Concrete) structural members subjected to corrosion. Experimental investigations were carried out on National Bureau of Standard (NBS), RC beam specimens made of Ordinary Portland Cement (OPC) concrete. Load versus deflection behaviour was studied for different levels of corrosion i.e., 2.5%, 5%, 7.5% and 10%. It is observed that for every percentage increase in corrosion level, there is about 1.6% decrease in load carrying capacity. Also as the amount of corrosion increases there is a reduction in bond stress. | ||
| Key Words | ||
| bond stress; OPC concrete; corrosion rate; durability | ||
| Address | ||
| Akshatha Shetty, Katta Venkataramana and K.S. Babu Narayan : Department of Civil Engineering, National Institute of Technology, Karnataka Surathkal, 575025, India | ||