EXPERIMENTAL INVESTIGATION ON SELF-HEALING BACTERIAL CONCRETE

Vidhya Lakshmi.A, Arul Gideon.R, Karthikeyan.K, Uthayakumar.P

Abstract: The service life of the structure have reduced in today’s construction field due to the low durability, strength factors and various other properties of concrete structures exposed to the environment. A novel strategy to restore or remediate cracks formed in the structures is bio-mineralization of Calcium Carbonate using microbes such as Bacillus. This research gives the information about increasing the durability of the concrete structure by introducing bacterial cell and other required nutrients for the process of biocalcification where the micro-organisms secrete Calcium Precipitate which in the presence of Carbonate ion forms Calcium Carbonate(Calcite) layer thus self-healing the cracks. Thus the durability of the concrete structure will increase and a study has to be carried out with concrete cubes subjected to bacterium

Keywords: Bacteria, Bacillus Pasteurii, Calcium Carbonate, Compressive Strength, Water Absorption

DOI: https://doi.org/10.15623/ijret.2016.0506029