Apparatus and method for measuring spatial movements of...

H - Electricity – 01 – Q

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H01Q 1/18 (2006.01) G01M 5/00 (2006.01) G01S 13/76 (2006.01)

Patent

CA 2752658

The present invention relates to an apparatus and method for measuring spatial movements of plant structures, such as pipes, due for example to the movement of the ground in the presence of landslide phenomena, subsidence, collapse or differential settling. The measuring apparatus (10) of spatial movements of a plant structure (20) according to the present invention comprises at least one ground station (11) which communicates with at least one corresponding signal-sending satellite station, the ground station (11) being connected in a movable manner to a support (12) constrainable in a fixed manner to said plant structure (20), the ground structure (11) having an initial azimuthal orientation (A0) and an initial azimuthal height (h0), characterised in that the ground station (11) is moved with respect to the support (12) via means (17) for adjusting the orientation and height of the same (11) so as to compensate for an instantaneous orientation (A)and height (h) that are different from the initial orientation (A0) and height (h0).

La présente invention porte sur un appareil et un procédé de mesure de mouvements spatiaux de structures d'usine, telles que des tuyaux, en raison par exemple du mouvement du sol en présence d'un phénomène de glissement de terrain, d'un affaissement, d'un effondrement ou d'un tassement différentiel. L'appareil de mesure (10) de mouvements spatiaux d'une structure d'usine (20) selon la présente invention comprend au moins une station au sol (11) qui communique avec au moins une station de satellite émettrice de signaux correspondante, la station au sol (11) étant reliée d'une manière mobile à un support (12) pouvant être retenu d'une manière fixe à ladite structure d'usine (20), la station au sol (11) ayant une orientation azimutale initiale (A0) et une hauteur azimutale initiale (h0), caractérisé en ce que la station au sol (11) est déplacée par rapport au support (12) par un moyen (17) servant à ajuster l'orientation et la hauteur de celle-ci (11) de façon à compenser une orientation (A) et une hauteur (h) instantanées qui sont différentes de l'orientation (A0) et de la hauteur (h0) initiales.

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