. Construction materials for coastal structures. Coastal engineering; Building materials. Figure 16. Exposed steel reinforcement due to spalling of concrete cover. Corrosion of steel reinforcing can also result from stray electrical current or corrosion cells that develop on the embedded steel. Electrical potential differences can occur in various spots in concrete containing metals because of differences in moisture content, oxygen concentration, electrolyte concentration, and by contact of dissimilar metals. A corrosion cell results when regions of different electrical potential are intercon


. Construction materials for coastal structures. Coastal engineering; Building materials. Figure 16. Exposed steel reinforcement due to spalling of concrete cover. Corrosion of steel reinforcing can also result from stray electrical current or corrosion cells that develop on the embedded steel. Electrical potential differences can occur in various spots in concrete containing metals because of differences in moisture content, oxygen concentration, electrolyte concentration, and by contact of dissimilar metals. A corrosion cell results when regions of different electrical potential are intercon- nected by a conductive pathway. Loss of metal then occurs at the region of more positive potential (anode). One recently developed method of preventing reinforcing steel deteriora- tion is to coat the bars with an epoxy material. The epoxy is applied in 106. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moffatt & Nichol, Engineers; Coastal Engineering Research Center (U. S. ). Fort Belvoir, Va. : The Center


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