March 2011, Vol. 238 No. 3


Observations From 56 Years Of Pipeline Corrosion Damage Excavations

The author began working as a cathodic protection (CP) practitioner in August 1952 and, in 1954, conducted tests while observing his first excavation of a leak on a coated steel pipeline under CP near Moran, KS. This article presents information learned from the 1954 corrosion leak site along with four later corrosion damage sites investigated during excavation by the author. It begins with the most recent investigation. Author’s Note: In this article many of the pipe-to-soil (P/S) potential measurements will be given only to the decimal place, such as -1.10V, -1.09V, -0.94V, etc. The advent of the high impedance input digital voltmeters has led to the improved contempora

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