Rehabilitation of Chloride Damaged Concrete

by Christopher P. Hodges, Law Engineering, Chantilly, United States,



Document Type: Proceeding Paper

Part of: Materials: Performance and Prevention of Deficiencies and Failures

Abstract:

There are several methods of rehabilitating structural concrete that must deal with the presence of chlorides. It is critical that the rehabilitation designer recognize the abilities of each of the major repair methods to deal with the presence of chlorides. The designer must also recognize that each method has a different life expectancy, a factor that is often overlooked. The generally accepted level at which chlorides contribute to the corrosion process is 0.15 to 0.20 percent by weight of cement in the concrete mix. The most frequently used repair methods are described and test data are presented.

Subject Headings: Rehabilitation | Chloride | Concrete | Pavement overlays | Concrete pavements | Concrete bridges | Pavement condition

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