Preventive capabilities of repair methods against salt damages to reinforced concrete structur 。s were Studied by cemparing three ditl ' erent repair materials . Surface covering and chipping ・ molding repair were applied and s ゆlec 重 ed to an accelerated test and outdoor exposure test fbr lO years . The preventive capabilities ofthese methods were compared in telrms ofthe rate of corroded area and the rate of cerrosion weight toss of the reinforcing bars . It was proven that the chipping −

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... ding method eXtending over the backSide of reinfc) rcing Steel using SBR polyrner cement rnortar with a corrosion inhibitor was ef 驚ctive whi 量 e 重 he surface covering method was applicable when the amount Qf chioride in conerete : tructures was excessive . The rate ofcorroded area ofreinforcing Steel repaircd with the chipping − molding method was relevant to parameters such as duration ofacceleration , amount ofchlorides , type ot ' repair material , use of inhibitor and water −cemcnt ratio of concrete , while that repaired with the surface covering method was relevant to the duration of acceleration , amount of chlorides and use of ir 血ibitor . The rate ofcorroded area may be prediCted with these parameters ,