Corrosion Mitigation of Reinforcement in Concrete using Magnesium Anodes
Yogesh Iyer Murthy1, Sumit Gandhi2, Abhishek Kumar3
1Mr. Yogesh Iyer Murthy, Sr. Bridge Engineer, Department of Civil Engineering, Shri Govindram Seksaria Institute of Technology and Science, Indore (M. P. ), India.
2Dr. Abhishek Kumar, Department of Industrial and Production Engineering, Motilal Nehru National Institute of Technology, Allahabad, India.
3Dr. Sumit Gandhi, Associate Professor, Department of Civil Engineering, Jaypee University Of Engineering And Technology, (M. P.), India.

Manuscript received on November 15, 2019. | Revised Manuscript received on November 23, 2019. | Manuscript published on November 30, 2019. | PP: 1950-1956 | Volume-8 Issue-4, November 2019. | Retrieval Number: C6272098319/2019©BEIESP | DOI: 10.35940/ijrte.C6272.118419

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Abstract: In the present work, an attempt has been made for the cathodic protection of structural steel reinforcement using Magnesium anode. For the same, two slabs were casted using steel reinforcement mat of 10 mm diameter. First slab was casted with cement containing 3.5% NaCl by weight of cement was added, while the other was casted without NaCl. Magnesium anode with design life of three years was centrally placed in both the cases. Half-cell potential readings were taken on regular basis along with temperature and relative humidity. It could be concluded that the negative potential in both cases increased towards the center, i.e. towards the anode. Further, significant drop in negative potential could be observed in the slabs with increase in duration of cathodic protection. Relative humidity and temperature were found to play major role in HCP readings.
Keywords: Cathodic Protection, Half-Cell Potential, Magnesium Anode, Corrosion Mitigation.
Scope of the Article: Concrete Engineering.