Vibration instability of laser base and atmospheric refraction in the process of aligning and operational control of underground mine shafts: effects and methods of mitigation

Henryk Passia; Adam Szade; Zbigniew Motyka; Wojciech Bochenek; Adam Lipowczan

doi:10.1117/12.579535

22 June 2004 Vibration instability of laser base and atmospheric refraction in the process of aligning and operational control of underground mine shafts: effects and methods of mitigation

Henryk Passia, Adam Szade, Zbigniew Motyka, Wojciech Bochenek, Adam Lipowczan

Author Affiliations +

Proceedings Volume 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2004) https://doi.org/10.1117/12.579535
Event: Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2004, Ancona, Italy

Abstract

Reliable operation of underground mine shafts is strongly conditioned by the proper position of the shaft frame and the installations inside the shaft tube in relation to the vertical direction. For operational reasons and safety, they are subject to periodical control and emergency control in the case when the permissible values of the operational parameters are likely to be exceeded. These can be, for instance, the values of tilt of the shaft frame or of the irregularity of the bars which guide the conveyance (i.e. cage or skip) in the shaft. One of the reasons of such a situation to occur can be the movement of the ground in the closer or farther proximity of the shaft, as a consequence of the effects of mining, hydro-geological changes in the ground, etc.

Citation Download Citation

Henryk Passia, Adam Szade, Zbigniew Motyka, Wojciech Bochenek, and Adam Lipowczan "Vibration instability of laser base and atmospheric refraction in the process of aligning and operational control of underground mine shafts: effects and methods of mitigation", Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 June 2004); https://doi.org/10.1117/12.579535

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