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Distribution of Cathodic Protection Potential for Concrete Slab Specimens at Diverse Environmental Conditions
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 Title & Authors
Distribution of Cathodic Protection Potential for Concrete Slab Specimens at Diverse Environmental Conditions
Jin, Chung-Kuk; Jeong, Jin-A;
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This study represents the recent laboratory results from cathodic protection (CP) system with the use of sacrificial anodes at different environmental conditions (temperature of and ). Specimens were slab type with a dimension of , and concrete cover thickness were 25mm. Zinc mesh and/or bulk type anodes were installed at the center of specimen to confirm the distance that CP system has influences on the specimen to distribute uniform CP current to rebar. Two different kinds of temperature condition were applied to verify the effect of temperature. Experiments were conducted for 60 days, and the distribution of potential and current that supplied from anode to rebar was measured. From the results, CP potential was varied with time, and temperature played an important role in CP potential variations. Current was also changed with time, and current distribution could be improved by installing additional bulk type anode.
Cathodic protection;Concrete;Potential distribution;Sacrificial anode;Temperature;
 Cited by
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