Microbiological repair fluid injection method for crack repair of concrete structure

摘要

Disclosed are an eco-friendly crack repair method, which repairs concrete cracks by using microorganisms for forming calcium carbonate through natural growth as a repair solution, provides a crack filling effect through self-growth of microorganisms without continuous injection of a repair solution, and excludes use of an organic repair solution, and to a method for repairing a concrete structure, which solves a problem of generally lacking in crack filling and detachment in a long term due to curing in a concrete crack surface which is a serious problem of an organic adhesive repair technology. The method for repairing a concrete structure is performed by injecting, to a concrete structure crack part, a repair solution including one or more microorganism culture mediums selected from the group consisting of lysinibacillus sphaericus, bacillus licheniformis, pseudomonas putida, and bacillus subtilis.