Cathodic protection system and its preparation

Details Cathodic protection system and its preparation Cathodic protection system and its preparation

1991-01-23

1992-04-14

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204196, 204284, 204290F, C23F 1300

Patent

active

051045028

ABSTRACT:
A method of forming a grid for cathodically protecting a steel rebar reinforced concrete structure comprising forming on the surface of the concrete structure rows of a plurality of valve metal strips with voids, the said strips having an electrocatalytic surface and at least 200 nodes per square meter of concrete surface, providing valve metal strips optionally without voids at spaced intervals connected to the rows of strips with voids to form a grid electrode and covering the grid electrode with an ion conductive cementitious overlay and the structure prepared thereby.

REFERENCES:
patent: 3804740 (1974-04-01), Welch
patent: 4528084 (1985-07-01), Beer et al.
patent: 4708888 (1987-11-01), Mitchell et al.
patent: 4855024 (1989-08-01), Drachnik et al.

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