Device for measuring the electrode potential of underwater concr

Details Device for measuring the electrode potential of underwater concr Device for measuring the electrode potential of underwater concr

1991-04-25

1993-05-11

Wieder, Kenneth A.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

204404, 324700, G01N 2700

Patent

active

052104826

ABSTRACT:
The invention relates to a device for measuring the electrode potential of the reinforcement in underwater concrete. The device is of the type comprising a reference electrode placed against the facing of the concrete and a voltmeter connected to the reference electrode and to the reinforcement. The reference electrode is disposed in a bell suitable for pressing in watertight manner against a facing of the concrete, thereby delimiting an enclosure. The device further includes means for injecting compressed air into the enclosure and means for enabling the water imprisoned therein to escape.

REFERENCES:
patent: 4611175 (1986-09-01), Kumar et al.
patent: 4927503 (1990-05-01), Polly
patent: 4942354 (1990-07-01), Miller
patent: 4958130 (1990-09-01), Mochizuki et al.
patent: 5069774 (1991-12-01), Hladky et al.

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