Research Progress on Protection Methods for Microbially Influenced Concrete Corrosion
Concrete is an important engineering material for national infrastructure construction.However,due to the complexity of the service environment,concrete faces the problem of deterioration caused by microbial corrosion,which brings safety hazards and economic losses to the development of various industries and the safe operation of facilities.Therefore,the protection of concrete is particularly important.In this paper,the application status of concrete materials and the mechanism of microbial corrosion of concrete materials were introduced.According to the ways in which microorganisms corrode concrete,the four main methods of protecting concrete from microbial corrosion were reviewed.Meanwhile,the principles and research progress of microbial inactivation,concrete modification,coatings and biomineralization in preventing microbial corrosion were discussed in detail.Cases of different methods used to resist microbial corrosion were presented,and the advantages and disadvantages of these four methods were summarized.Furthermore,by reviewing the existing concrete protection methods,the future research direction of protection methods for concrete against microbial corrosion was prospected.
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