The corrosion of metals in reinforced concrete structures is a multibillion dollar problem that affects construction, transportation, housing, and many other industries. This report compares the widely-reported literature on salt-related corrosion with results of exposures involving no exposure to salt. Laboratory exposure results are compared with results from actual structures. The results indicate that structural cracking is far more important as a cause of corrosion than is commonly assumed.

Subject
Steel structures, Steel surfaces, Salts, Rebar, Cathodic current, Carbon cracking, Corrosion cracking, Stress cracking, Anodic current, Steel, Highways, Bridges, Concrete
Keywords:
corrosion, concrete, potential, half-cell, copper sulfate, cracking, chloride, cement, marine, seawater
National Association of Corrosion Engineers
1991
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