Page 256 - Corrosion Engineering Principles and Practice
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230 C h a p t e r 7 C o r r o s i o n F a i l u r e s , F a c t o r s , a n d C e l l s 231
Grade
Corrosion
Ground
copper rod
Concrete
FIGURE 7.20 Schematic of the corrosion cells acting on an anchor support
with a ground connection. (Courtesy of Anchor Guard)
FIGURE 7.21 Corrosion of a water main ductile iron adjacent to a copper
fitting. (Courtesy of Drinking Water Services, City of Ottawa)