Method and device for determining the location of corrosion sites in reinforced concrete

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United States of America Patent

PATENT NO 8778167
SERIAL NO

13266136

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Abstract

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The invention relates to a method for determining the location of the corrosion sites in reinforced concrete, wherein a value (UB, UC) of a voltage potential (UB, UC) present at each measurement location is measured at at least two measurement locations relative to a reference voltage potential (UA) present at a reference location, and information about the direction to the corrosion site (K) and/or the distance to the corrosion site (K) is determined from the location information (XB, YB, XC, YC) for each measurement location, particularly also the reference location, and the voltage potential (UA, UB, UC) present at each location. The invention further relates to a device for determining the location of corrosion sites in reinforced concrete, particularly according to a method according to one of the previous claims, comprising an electrode arrangement having at least one electrode that can be brought into electrolytic contact with the surface of a reinforced concrete to be tested, and that is set up for measuring voltage potentials (UB, UC) using the at least one electrode at a plurality of measurement locations relative to a reference voltage potential (UA) at the reference location of an electrode, and that is further set up for determining information about the direction to the corrosion site (K) and/or the distance to the corrosion site (K) from the location information (XB, YB, XC, YC) for each measurement location, particularly also the reference location, and the voltage potential (UA, UB, UC) present at each location.

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Patent Owner(s)

Patent OwnerAddress
RHEINISCH-WESTFAELISCHE-TECHNISCHE HOCHSCHULE AACHENTEMPLERGRABEN 55 AACHEN D-52062

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raupach, Michael Aachen, DE 3 10
Reichling, Kenji Aachen, DE 2 8

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