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Vol 170 No 2
Pages:
93-96
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RUS

The research of vertical displacements of the rock mass inside and in environment of the Kletno Bear Cave

Authors:
Joanna Andrzejewska
About authors
  • Сельскохозяйственный университет Вроцлава
Date submitted:
2006-08-11
Date accepted:
2006-10-30
Date published:
2007-04-11

Abstract

The Kletno Bear Cave is the most beautiful cave in Poland. Students of the Faculty of Geodesy and Cartography at the Wrocław Agricultural University have been conducting a level survey of the cave for more than twenty years during training sessions of the Scientific Circle of Surveyors. The survey is used for the scientific study of the Sudetes, as well as for assessing the safety of tourist routes in the Cave. Measurements are made with precise leveling equipment and the readings are further refined by laboratory tests. The area of the Cave is characterized by a complex geological structure. Two tectonic faults are located in the immediate vicinity of the Cave vicinity. The results of the studies indicate the instability of geological and tectonic structures in the analyzed area.

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References

  1. Geodetic research of deformation of the Bears’ Cave massif, 1985-2005 (stages I-XXI), Koło Naukowe Geodetów AR Wroclaw (typescripts, in polish).
  2. Cacoń S., Kaczałek M., Mąkolski K., 1989, The studies on the cave massif deformations [in:] Jahn A., Kozłowski S., Wiszniowska T. (edit.), The cave Jaskinia Niedzwiedzia in Kletno. Exploration and exploitation. Zakład Narodowy im. Ossolińskich, Wyd. PAN, Wrocław pp. 157-167 (in polish).
  3. Cacoń S., Mąkolski K., 1989, Geodetic survey in the cave [in:] Jahn A., Kozłowski S., Wiszniowska T. (edit.), The cave Jaskinia Niedzwiedzia in Kletno. Exploration and exploitation. Zakład Narodowy im. Ossolińskich, Wyd. PAN, Wrocław pp. 168-179 (in polish).
  4. Cacoń S., Košťak B., Mąkolski K., 1996, Strata deformation in Niedzwiedzia Cave effecting from anthropopressure [in:] Jahn A., Kozłowski S., Pulina M. (edit.), The Snieznik Massif – changes in the natural environment, Polska Agencja Ekologiczna, Wyd. PAE, Warszawa, s.71-84 (in polish).
  5. Piotrowicz M., 2005, Determination of benchmarks displacements in surroundings and inside the Bears’ Cave in Kletno on the basis of various methods of precision levelling net adjustment, Master’s Thesis, Wroclaw (in polish).

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