Analytical evaluation of sacrificial anode cathodic protection systems for steel in concrete

Book · Mon Dec 01 04:00:00 EST 1997

OSTI ID:548533

Hartt, W H ^[1]

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1. Florida Atlantic Univ., Boca Raton, FL (United States)

Increasing attention has been focused in recent years upon development of sacrificial anode cathodic protection systems for corrosion control of steel in atmospherically exposed concrete. While effectiveness of this type of cathodic protection can be assessed by depolarization testing and perhaps other techniques, no method presently exists for analytically characterizing the relative influence of various system and cell parameters. Of particular interest is the electrochemical behavior of the anode, since its characteristics are generally rate controlling. In view of this, a procedure has been developed in terms of relevant electrochemical terms which permits cathodic polarization of embedded steel in concrete to be quantitatively characterized and for the role of different system variables to be identified. Utility of the method is demonstrated in terms of reported data from laboratory tests and from field structures.

• OSTI ID: 548533
• Report Number(s): CONF-970332--
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ANODES
CATHODIC PROTECTION
EQUIPMENT PROTECTION DEVICES
EXPERIMENTAL DATA
PERFORMANCE
POLARIZATION
REINFORCED CONCRETE