Method and system for measuring three-dimensional displacement

Details Method and system for measuring three-dimensional displacement Method and system for measuring three-dimensional displacement

1995-06-07

1997-04-22

Raevis, Robert

Measuring and testing

Inspecting

356373, G01N 2101

Patent

active

056231083

ABSTRACT:
A method for measuring three-dimensional displacement of a mass comprises the steps of providing a measuring object placed on the end surface of the mass, for reflecting at least a fraction of three-dimensional displacement of the mass, arranging a displacement measuring equipment for free displacement relative to the mass and in opposition to the measuring object, and measuring three-dimensional relative displacement of the mass by detecting relative displacement of sad displacement indicative means relative to the displacement measuring equipment by the latter. The method is implemented by a three-dimensional displacement measuring system comprises a measuring object placed on the end surface of the mass, for reflecting at least a fraction of three-dimensional displacement of the mass, a displacement measuring equipment arranged for free displacement relative to the mass and in opposition to the measuring object, for measuring three-dimensional relative displacement of the mass by detecting relative displacement of sad displacement indicative means relative to the displacement measuring equipment by the latter. The method and system is suitable for measuring displacement of a rock across a crack.

REFERENCES:
patent: 4942539 (1990-07-01), McGee et al.
patent: 5198876 (1993-03-01), Anezaki et al.
patent: 5301003 (1994-04-01), Ikeda

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