| Issue |
E3S Web Conf.
Volume 184, 2020
2nd International Conference on Design and Manufacturing Aspects for Sustainable Energy (ICMED 2020)
|
|
|---|---|---|
| Article Number | 01114 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/e3sconf/202018401114 | |
| Published online | 19 August 2020 | |
Assessment of Corrosion Inhibiting Efficiency of Microbes Induced Concrete
1 Professor of Civil Engineering, GRIET, Hyderabad, India.
2 Assistant Professor of Civil Engineering, GRIET, Hyderabad, India.
3 M.Tech (Structural Engineering), Department of Civil Engineering, GRIET, Hyderabad, India
4 Professor of Civil Engineering, VJIT, Hyderabad, India.
The study present in this paper reveals the corrosion inhibiting efficiency of M25 grade concrete induced with Sporosarcina pasteurii bacteria. The accelerated corrosion induced crack method is applied on reinforced bacterial concrete which is the modified philosophy of constant voltage technique. In the current investigation, for different cover thicknesses considered, total time required for charge passed until full longitudinal crack occurs along the cover thickness due to corrosion of steel reinforcement in concrete specimens are measured using which Charge Deterioration Factors (ChDFs) are evaluated for bacterial reinforced concrete beams made with various cell concentrations of Sporosarcina pasteurii bacteria. It was established that beams made with cell concentration of 105 cells/ml of mixing water offers superior corrosion inhibition ability as time taken to form full length longitudinal crack is more than in other beams made with 103 cells/ml, 104 cells/ml and 106 cells/ml cell concentration of bacteria chosen for the study.
© The Authors, published by EDP Sciences, 2020
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