The article, “Attenuation of Forced Drainage Effects on Long Uniform Structures,” by Mr. Robert Pope, in the December, 1946, issue of corrosion presents a set of equations expressing the attenuation of the three quantities Vx, change in structure/soil potential; Ix, current on structure; and ix, cathodic current density, as functions of the distance X along the structure from the drainage point. The three equations are functionally identical :
[6]
[8]
[9a]
[The equations are numbered to correspond to Mr. Pope’s article; No. 9a is a combination of his No. 9 and No. 11.]
For a given structure in a given environment, the characteristic attenuation constant, ∝, is a function of the...
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