TECHNICAL ALERT: CRITERIA FOR THE CATHODIC PROTECTION OF REINFORCED CONCRETE BRIDGE ELEMENTS
Cathodic protection is accepted as a repair option for steel-reinforced structures that are undergoing corrosion caused by the presence of chlorides. Several different criteria (tests) have been suggested for use with concrete structures, and many are in use today. Due to the number and complexity of tests, much confusion and disagreement exists regarding the use of such criteria. The Strategic Highway Research Program (SHRP) issued a contract on cathodic protection of reinforced concrete bridge elements. The objective of part of that contract was to investigate the feasibility of improved and simplified control criteria. To this end, corrosion rates of steel in a concrete environment were measured relative to many factors, and then, data were used to appraise control criteria. This technical alert presents the results and recommendations based on that part of the work.
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Supplemental Notes:
- Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
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Corporate Authors:
Strategic Highway Research Program
National Research Council, 2101 Constitution Avenue, NW
Washington, DC United States 20418 -
Authors:
- BENNETT, J
- Turk, T
- Publication Date: 1994-2
Language
- English
Media Info
- Features: Figures; Tables;
- Pagination: 14 p.
Subject/Index Terms
- TRT Terms: Bridge members; Cathodic protection; Concrete; Corrosion; Reinforced concrete bridges
- Identifier Terms: Strategic Highway Research Program
- Uncontrolled Terms: Corrosion rate; Criteria
- Old TRIS Terms: Concrete composition
- Subject Areas: Bridges and other structures; Design; Highways; I24: Design of Bridges and Retaining Walls;
Filing Info
- Accession Number: 00663104
- Record Type: Publication
- ISBN: 0309056152
- Report/Paper Numbers: SHRP-S-359
- Files: TRIS, TRB
- Created Date: Jul 19 1994 12:00AM