Corrosion Assessment of Reinforced Steel Bars in Concrete Structures Exposed to Marine Environment - A Bridge Case Study
Keywords:
Bridge, marine environment, concrete, non-destructive tests, corrosion, quality.Abstract
Investigation was carried out on a 40 years old bridge subjected to a heavy splash zone and constructed across the Arabian creek of Navi Mumbai, India to assess the concrete deterioration of the structure and finding out the probable corrosion of reinforced steel in the concrete embedded. The structure was evaluated with the help of a half cell potentiometer, cover meter, and with an ultrasonic pulse velocity tester. Also, chloride content and sulfate content test was carried out and the detail investigation is presented in this article.
References
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2. Mehta PK, Monteiro PJM. Concrete Structure, Properties and Materials. Prentice-Hall, Inc., New Jersey, USA, 1986.
3. Patil BT. Investigation on corrosion of steel and deterioration and protection of RCC structures in marine environment, Ph.D. thesis Mysore University, 1985.
4. Mohammed TU,Otsuki N, Hamada H. Corrosion of steel bars in cracked concrete under Marine Environment. ASCE-Journal of Materials in Civil Engg 2003; 15(5): 460-69.
5. Aligizaki KK. Assessing Corrosion rates of steel in Chloride contaminated concrete using different techniques, NACE Corrosion 2007; Paper No. 07280: 1 -14.
6. Liang MT, Lin LH, Liang CH.Service life prediction of existing reinforced concrete bridges exposed to chloride environment. Journal of Infrastructure Systems 2002; 8(3): 76-85.
7. ShiflerDA, Aylor DM. Factors affecting corrosion performance and testing of materials and components in Sea water. NACE International, Corrosion 2005: 1-15.
8. Fontana MG, Green ND. Corrosion Engineering, Mcgraw Hill, New York, 1986,337.
9. Fink FW, Boyd WK. The corrosion of metals in Marine environments, Defence metals
information centre, Report No. 245, 1970.
10. Vu KAT, Stewart MG.Predicting the likelihood and extent of reinforced concrete corrosion induced cracking. Journal of Structural Engineering 2005; 131(11): 168189.
11. Jayaram MA. Investigation an corrosion and bio degradation of structural steel in marine environment, M. Tech. Thesis Mangalore University (India), 1987.
12. Bardal E, Drugli JM. Corrosion detection & diagnosis. Material Science and Engineering 2010; 3.
13. Candel FR. Methods and Equipments for Non-destructive testing of Reinforced concrete in Harbour Docks, Master Thesis-28, 2010:1–23.
Published
2018-12-24
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