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Durability of concrete structures decrease due to corrosion in structures exposed to corrosive conditions. Several methods are adopted to minimize corrosion of steel in concrete; one of the methods is the use of inhibitors. In this work, the effect of inhibitor addition on corrosion of steel in concrete was investigated. Inhibitors added to concrete mix in different ratios, samples then immersed in 3.5% NaCl, and in Dead Sea Water for 15 months. Potential of steel reinforcement was measured by copper sulfate electrode according to ASTM C876. Results showed that an addition of 2% calcium nitrate or more was acceptable for adequate protection.
Słowa kluczowe
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Czasopismo
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5--11
Opis fizyczny
Bibliogr. 18 poz., rys.
Twórcy
autor
- Al-Baha University, Faculty of Engineering, Mechanical Engineering Department, Al-Baha, Saudi Arabia
Bibliografia
- 1.Elsenei B.: Corrosion Inhibitors for Steel in Concrete - State of the Art Report. EFC Publications (2001).
- 2.Rincon de O. T., Perez O., E. Paredes, Caldera Y., Urdaneta C., Sandoval I.: Long-Term Performance of ZnO as a Rebar Corrosion Inhibitor. Cem. Concr. Compos. 24 (2002), 79-87.
- 3.Sagoe-Crentsil K. K., Yilmaz V. T., Glasser F. P.: Properties of Inorganic Corrosion Inhibiting Admixtures in Steel-Containing OPC Mortars: Chemical and Electrochemical Properties. Adv. Cem. Res 4 (1996), 91-102.
- 4. Gonzales J. A., Ramirez E.. Bautista A.: Protection of Steel Embedded in Chloride -Containing Concrete by Means of Inhibitor. Cem. Concr. Res. 28 (1998), 577-589.
- 5.Sagoe-Crentsil K. K., Glasser F. P., Yilmaz V. T.: Corrosion Inhibitors for Mild Steel; Stannous Tin in Ordinary Portland Cement. Cem. Concr. Res. 24 (1994), 313-318.
- 6.Sagoe-Crentsil K. K., Yilmaz V. T., Glasser F. P.: Corrosion Inhibition of Steel in Concrete by Carboxylic Acids. Cem. Concr. Res. 23 (1993), 1380-1388.
- 7.Monticelli C., Frignani A., Trabanelli G.: A Study on Corrosion Inhibitors for Concrete Application. Cem. Concr. Res. 30 (2000). 635-642.
- 8. Saraswathy V., Muralidharan S., Kalyanasundaram R.M., Thangavel K., Srinivasan S.: Evaluation of a Composite Corrosion-Inhibiting Admixture and Its Performance in Concrete Under Macro Cell Corrosion Conditions. Cem. Concr. Res. 31 (2001), 789-794.
- 9. Ann K. Y., Song H. W.: Chloride Threshold Level for Corrosion of Steel in Concrete. Corr. Sci. 49 (2007), 4113-4133.
- 10. Bolzoni F., Fumagalli G., Lazzari L., Ormellese M., Pedeferri M. P., Fontana F.: Inhibition Effect of Organic Molecules on Carbon Steel Corrosion in Alkaline Solution With Chlorides. European Corrosion Congress Eurocorr, Riva del Garda, Italy (2001).
- 11.Nmai C. K., Farrington S. A., Bobrowsky G. S.: Organic Based Corrosion Inhibiting Admixtures for Reinforced Concrete. Concr. Int. 14(4) (1992), 45-51.
- 12. Buffenbarger K., Miltenberger M. A., Miller B. D., Casal H. L.: Long-Term Performance of an Organic Corrosion Inhibiting: A Decade of Mechanism Study and Its Impact on Concrete Service Life. International Congress on Advanced Materials, Their Processes and Applications, Munich (2000).
- 13.Nmai C. K.: Multi-Functional Organic Corrosion Inhibitor. Cem. Concr. Compos. 26 (2004), 199-207.
- 14. Gaidis J. M.: Chemistry of Corrosion Inhibitors. Cem. Concr. Compos. 26 (2004), 181-189.
- 15. Saraswath, V., Ha-won Song.: Improving the durability of concrete by using inhibitors. Building and Environment 42 (2007), 464-472.
- 16. Zoltanetzky J.R., Gordon C., Parnes J.: New developments in corrosion inhibiting admixture systems for reinforced concrete. In: Page CL, Treadaway KWJ, Bamforth PB, editors. Corrosion of reinforcement in concrete. London: Elsevier (1990), 825-50.
- 17. Rozenfeld I.L.: Corrosion inhibitors. New York: McGraw-Hill Inc. (1981), 327.
- 18.Muller B., Fischer S.: Epoxy ester resins as corrosion inhibitors of aluminium and zinc pigments. Corrosion Science 48 (2006), 2406-2416.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-a3070765-0b65-4a98-9a51-56fc9919b5f3