| isolation and identification of bacteria to improve the strength of concrete. | the objective of this research work is to isolate and identify calcite precipitating bacteria and to check the suitability of these bacteria for use in concrete to improve its strength. bacteria to be incorporated in concrete should be alkali resistant to endure the high ph of concrete and endospore forming to withstand the mechanical stresses induced in concrete during mixing. they must exhibit high urease activity to precipitate calcium carbonate in the form of calcite. bacterial strains were ... | 2015 | 25946328 |