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Al-Qadri, F., Al-Qubati, A. (2012). EFFECT OF MINERAL ADMIXTURES ON CORROSION RESISTANCE OF REINFORCED STEEL RODS IN CONCRETE. JES. Journal of Engineering Sciences, 40(No 5), 1283-1291. doi: 10.21608/jesaun.2012.114494
Fatima A. Al-Qadri; Ali Al-Qubati. "EFFECT OF MINERAL ADMIXTURES ON CORROSION RESISTANCE OF REINFORCED STEEL RODS IN CONCRETE". JES. Journal of Engineering Sciences, 40, No 5, 2012, 1283-1291. doi: 10.21608/jesaun.2012.114494
Al-Qadri, F., Al-Qubati, A. (2012). 'EFFECT OF MINERAL ADMIXTURES ON CORROSION RESISTANCE OF REINFORCED STEEL RODS IN CONCRETE', JES. Journal of Engineering Sciences, 40(No 5), pp. 1283-1291. doi: 10.21608/jesaun.2012.114494
Al-Qadri, F., Al-Qubati, A. EFFECT OF MINERAL ADMIXTURES ON CORROSION RESISTANCE OF REINFORCED STEEL RODS IN CONCRETE. JES. Journal of Engineering Sciences, 2012; 40(No 5): 1283-1291. doi: 10.21608/jesaun.2012.114494

EFFECT OF MINERAL ADMIXTURES ON CORROSION RESISTANCE OF REINFORCED STEEL RODS IN CONCRETE

Article 1, Volume 40, No 5, September and October 2012, Page 1283-1291  XML PDF (225.82 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2012.114494
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Authors
Fatima A. Al-Qadri1; Ali Al-Qubati2
1Associate professor, Department of Chemistry , Sana'a Yemen University, Aldaree street , P.O. Box 11923 . Sana'a Yemen
2Sana’a University , Chemistry Department
Abstract
Mineral admixture is widely used in concretes with less water-cement ratio, to improve some properties like strength and workability. In addition, this admixture has effect on corrosion resistance of embedded re-bars in concrete. In this work, the corrosion rate of mild steel rod, TMT (Thermo Mechanically Treated) rod were observed by adding mineral admixtures in M25 concrete mix. The percentage of admixtures were 3% , the study was carried out for a period of 15 months. The corrosion rates were measured at different intervals by conducting electrochemical tests like ACI test, and by weight loss test (gravimetric method). In most of the time and cases, the corrosion rate was found to be less for 3 % of mineral reducing admixtures. Corrosion resistance of TMT rod is better in the presence of mineral admixtures.
Keywords
Mineral admixtures; concrete; steel rod; corrosion; resistance
Main Subjects
Civil Engineering: structural, Geotechnical, reinforced concrete and steel structures, Surveying, Road and traffic engineering, water resources, Irrigation structures, Environmental and sanitary engineering, Hydraulic, Railway, construction Management.
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