A STUDY ON BIO CONCRETE AND BACTERIA BASED SELF HEALING CONCRETE
M. Srikanth
Associate Professor, Department of Civil Engineering, KITS Warangal, India , IN
P. Nishanthi
Associate Professor, Department of Civil Engineering, KITS Warangal, India , IN
Keywords: Bacillus Sphaericus, Proteus Vulgarious, MICCP.
Abstract
Concrete is a strong durable material it consists of cement, fine aggregate, coarse aggregate and water and it is most used building material in the world. The cracks in the concrete structures have to be in limit, if cracks are too large then they are to be repaired. The use of bacteria is environmental friendly method, it works by repairing the concrete structures by process of the MICCP (microbiologically induced calcium carbonate precipitation). In this paper, two types of bacteria are used namely Bacillus Sphaericus and Proteus Vulgarious. Where the Bacillus Sphaericus is a gram positive bacteria and Proteus Vulgarious is a gram negative bacteria.
In this, M20 and M30 grade concrete of the 36 Cubes, 36 Cylinders, 36 Prisms were casted and tested under Compression strength, Split tensile strength and Flexural strength. The used bacteria will repair cracks in the concrete and evaluate the strength in the comparision with the conventional concrete & bacterial concrete. By the evaluated results, we found that the bacterial concrete results are higher than the conventional concrete
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