The Sheet Piles of Amagasaki Port have been cathodically protected by magnetite electrodes and selenium rectifiers. Total length of embankment about 610ft., and area of protected surface about 40, 000sq. ft., provide with 54 magnetite electrodes, each 21/2 in. dia. 3ft. long; total current 166 A.
The results obtained are excellent, the effect desired having been fully achieved as verified by the measurement of the pile surfacetosea-water potential.
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