Method and apparatus for detecting rock movement

Details Method and apparatus for detecting rock movement Method and apparatus for detecting rock movement

G - Physics

01

V

G01V 3/10 (2006.01)

Patent

CA 2235879

A method and apparatus for detecting rock movement. The first step involves using at least one electromagnetic induction coil as a sensor. The second step involves monitoring changes in induced electromotive force in the at least one electromagnetic induction coil over a selected time interval. This new approach is based upon changes in magnetic permeability as a result of rock movement in accordance with Faraday's law of electromagnetic induction. When a plurality of these new sensors are used the speed of the rock movement may also be determined.

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