Corrosion Condition Evaluation at Muddy Creek Bridge
Publication: Journal of Performance of Constructed Facilities
Volume 17, Issue 4
Abstract
Corrosion rates were measured at the exposed spots of rebars near three corners of Muddy Creek Bridge located in northern West Virginia using a 3LP device. Also, chloride contents of the concrete samples taken from the vicinity of the spots were analyzed using a wet chemical method that had been developed in this study. The average corrosion rate over the three spots was 4.66 mA/m2, which is in the range of corrosion damage possible in 10–15 years. The average chloride content of the concrete over the three spots was 703 parts per million (ppm), which is well above the threshold limit value of 260 ppm. Although the corrosion rate measurement method using a 3LP device is by manual operation, it is found to be reliable and effective, and, thus, recommended for future studies of this kind of research. The wet chemical method developed in this study is found to be effective.
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References
CONCORR, Inc. (1996a). “FHWA-SHRP showcase: Assessment of physical condition of concrete bridge components.” Participant Workshop Book Prepared for U.S. Dept. of Transportation, Federal Highway Administration, 3–40.
CONCORR, Inc. (1996b). “FHWA-SHRP showcase: Assessment of physical condition of concrete bridge components.” Participant Workshop Book Prepared for U.S. Dept. of Transportation, Federal Highway Administration, 3-75–3-77.
CONCORR, Inc. (1999). “Corrosion condition evaluation on Muddy Creek Bridge.” Demonstration Project No. 84, Field Evaluation Rep. Prepared for U.S. Dept. of Transportation, Federal Highway Administration.
Jones, D. A. (1996). Principles and prevention of corrosion, 2nd Ed., Prentice-Hall, Upper Saddle River, N.J., 148.
Rosenqvist, T. (1974). Principles of extractive metallurgy, McGraw-Hill, New York, 525.
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Published In
Journal of Performance of Constructed Facilities
Volume 17 • Issue 4 • November 2003
Pages: 206 - 209
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Mar 29, 2002
Accepted: Sep 25, 2002
Published online: Oct 15, 2003
Published in print: Nov 2003
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