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희생양극식 음극방식이 적용된 해안 교량 구조물의 방식거동
하지명 ( Ji Myung Ha ),진충국 ( Chung Kuk Jin ),정진아 ( Jin A Jeong ) 한국부식방식학회(구 한국부식학회) 2012 Corrosion Science and Technology Vol.11 No.6
This measurement represents the effectiveness of sacrificial anode cathodic protection (SACP) system in a coastal bridge structure. To verify the cathodic protection (CP) effect the monitoring sensor (DMS-100) that could measure potential corrosion rate current concrete resistivity and temperature was embedded. The measurement conducted for three years after CP system was installed. Specifically due to the fact that fresh water and sea water was repeated in the bridge structure this bridge structure this bridge structure presented special CP behavior. Measurement factors were CP potential CP current concrete resistivity and depolarization potential. In addition visual inspection was also carried out. As a result of current and depolarization measurement CP system was activated in most piers.