Journal Press India^®

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It is nearly impossible to stop cracks from forming on the surface of concrete, even with the finest materials and skill. Even when the concrete is in excellent condition, this is still the case. The strength and longevity of the concrete may gradually start to decline as a result of these defects. Therefore, it is crucial to seal these gaps in order to lessen or completely prevent the damaging effects of any degrading substances that might seep into the concrete through these fractures. Various fractures may allow for the entry of these degrading agencies. A overview of the effects of several bacillus family bacteria on the properties of concrete, specifically its strength and durability, is provided in this article. We considered bacteria in this investigation that ranged in concentration from 100 CFU to 108 CFU. This work also discusses the possibility that some bacteria from the bacillus family can heal themselves. The method by which concrete cracks may mend themselves by introducing bacteria from the bacillus family into the concrete mix is known as “self-healing.” Additionally, this procedure lessens the detrimental impact that these germs may have on the longevity and strength of the concrete.

Keywords

Bacterial concrete, Cracks in concrete, Autogenous healing, Compressive strength

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