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Title: Calibration of accelerated corrosion protocol for reinforced concrete columns
Authors: Rajput A.S.
Sharma, Umesh Kumar
Published in: Current Science
Abstract: Researchers globally have adopted different techniques for simulating the effects of corrosion on reinforced concrete (RC) sections in different experimental studies. Application of Faraday's law remains the most commonly used technique for designing and controlling accelerated corrosion regimes for testing RC sections. In this study, we analyse the competence of Faraday's law-based methodology to simulate corrosion of RC structures in laboratory conditions. Twelve small-scale (300 x 300 x 500 mm) RC columns were subjected to Faraday's law-based accelerated corrosion regime. Variables of the study were the degree of corrosion and grade of concrete. Damage in the RC section due to corrosion was evaluated in terms of surface distress, corrosion cracking, surface strain and gravimetric examination. Monitoring of the corrosion process through potentiometric measurements and comparing the results with the obtained gravimetric results yielded calibration factors for Faraday's law-based procedure. The proposed calibration factors were then validated by designing and testing accelerated corrosion for large-scale RC columns. ¬© 2020 Indian Academy of Sciences.
Citation: Current Science(2020), 118(1): 70-78
Issue Date: 2020
Publisher: Indian Academy of Sciences
Keywords: Accelerated corrosion
Faraday's law
RC members
ISSN: 113891
Author Scopus IDs: 57211329068
Author Affiliations: Rajput, A.S., Department of Civil Engineering, Indian Institute of Technology, Roorkee, 247 667, India
Sharma, U.K., Department of Civil Engineering, Indian Institute of Technology, Roorkee, 247 667, India
Funding Details: ACKNOWLEDGEMENT. We thank the Department of Science and Technology, New Delhi for financial support to conduct this study.
Corresponding Author: Rajput, A.S.; Department of Civil Engineering, Indian Institute of TechnologyIndia; email:
Appears in Collections:Journal Publications [CE]

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