Improvement of throwing power of cathodic protection in reinforced concrete structure with conductive mortar
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Cathodic protection for the rehabilitation of reinforced concrete structures prohibits rebar corrosion, such as Impressed Current Cathodic Protection (ICCP) systems and Sacrificial Anode Cathodic Protection (SACP) systems. In the case of the SACP system, it is difficult to protect against rebar corrosion with cathodic protection because of the high resistivity of the concrete, and the concrete overlays should be sufficiently conductive to pass the cathodic protection current from the anode to the rebar because the throwing power of the cathodic protection provided by the sacrificial anode is limited by the high resistivity of the concrete. Therefore, it is necessary to study the properties of conductive mortar for the effective cathodic protection of reinforced concrete. In an evaluation of mortar containing a conductive material as an electrolyte for a concrete overlay to improve the cathodic protection performance, an admixture suitable for concrete showed the lowest resistivity value, and it can be used as an admixture for conductive mortar.
Abstract
Cathodic protection for the rehabilitation of reinforced concrete structures prohibits rebar corrosion, such as Impressed Current Cathodic Protection (ICCP) systems and Sacrificial Anode Cathodic Protection (SACP) systems. In the case of the SACP system, it is difficult to protect against rebar corrosion with cathodic protection because of the high resistivity of the concrete, and the concrete overlays should be sufficiently conductive to pass the cathodic protection current from the anode to the rebar because the throwing power of the cathodic protection provided by the sacrificial anode is limited by the high resistivity of the concrete. Therefore, it is necessary to study the properties of conductive mortar for the effective cathodic protection of reinforced concrete. In an evaluation of mortar containing a conductive material as an electrolyte for a concrete overlay to improve the cathodic protection performance, an admixture suitable for concrete showed the lowest resistivity value, and it can be used as an admixture for conductive mortar.
참고문헌 (8)
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