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Some bacteria are responsible for degrading concrete. How do they accomplish this?

Some bacteria are responsible for degrading concrete. How do they accomplish this?

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Bacteria like which produce sulfuric acid , for eg, thiobacilli can produce high degree of corrsion on the concrete surface. When they colonize on the concrete surface, they will produce sulphuric acid. Now, as the concrete material has carbonaceous binding material, sulfuric acid will degrade them.

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