Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 68, Issue -, Pages 326-332Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2014.06.068
Keywords
Reinforced concrete; Rebar corrosion; Accelerated corrosion; Acoustic emission; Corrosion current density
Categories
Funding
- Rajiv Gandhi Science and Technology Commission, Government of Maharashtra
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Corrosion of steel reinforcement and subsequent cracking of concrete is a major cause for deterioration of reinforced concrete (RC) structures. For safety of structures early detection of deterioration by means of non-destructive testing is the need of the day. Comparative study of acoustic emission (AE) and electrochemical techniques for an experimental investigation of corrosion of steel embedded in concrete is presented here. The results show two stages of corrosion process and also indicate that, cumulative signal strength can be used as a promising parameter of AE technique to monitor progress of damage in RC due to corrosion. (C) 2014 Elsevier Ltd. All rights reserved.
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