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) is generated by a sulfuric bacteria. Hence, a degradation of concrete with biochemicalcorrosion would be accelerated. Finally, durability of concrete and concrete structures may be greatly reduced. In this study, in order to remove the hydrogen sulfide which is used by the sulfuric bacteria organic-biologically, the antibiotic metal and metallic s alt powders were mixed to concrete, and a suppressing performance of the sulfate ion was assessed. For the sulfuric acid bacteria, a comparative evaluation of antimicrobial performance on neutralized concrete specimens were carried out, also by a rapid chlorid e penetration test, chloride penetration depths and diffusion coefficients were measured fo r antibiotic concrete in accordance wi th theamount of metal and metallic salt-based antibacterial agents. Eventually, by an observation of the biochemical state of the sur face of concrete specimens exposed outdoors, the performance and applicability of antibiotic concrete were confirmed .  :  ,  , ,  ,  Keywords : antibiotic concrete, biochemical corrosion, durability, suppression of sulfation, chloride penetration* Corresponding author E-mail: hl2qpe@ok.ac.kr

Development on Antibiotic Concrete Mixed with Antibacterial Metals and Metallic Salts