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Monitoring, interpretation and modeling of mining induced seismicity in
Karvina region forcefully on influence of vibrations on surface structures

Mining induced seismicity and deformations of terrain can be associating effects of mine exploitation on the undermined territory where empty subterranean spaces are created and larger contents of rocks are re-transferred and the primary balanced state of rock massif stress is redistributed. When the limiting states of rocks elasticity parameters are exceeded, a brittle fracture is induced and it results among others in mining induced seismic event. Department of geophysics runs long term seismological measurements and their evaluation in the Karviná region and also experimental measurements of mine seismicity influences on chosen objects (e.g. electrical smoke-stack in Dětmarovice; church in Orlová) and geodetic surveying on margin and within subsidence depression. Moreover we do mathematical modeling of seismic response of buildings in this area on the developed vibrations (cooperation with VUT Brno and VŠB – TU FAST Ostrava).

Selected publications

  • Hrubešová, E. and Kaláb, Z. (2005): Example of Modeling of the Mining Induced Seismicity Impact on the Building Using Numerical System Plaxis. In: Konečný, Pa. (ed): EUROCK 2005 – Impact of Human Activity on the Geological Environment, A.A.Balkema Publisher, Leiden, 213-218.
  • Kaláb, Z. and Knejzlík, J. (2002): Systematic Measurement and Preliminary Evaluation of Seismic Vibrations Provoked by Mining Induced Seismicity in Karviná Area. Publs. Inst. Geophys. Pol. Acad. Sc., M-24(340), 95-103.
  • Holub K. (2006): Rock mass response to the decline in underground coal mining. J. Min. Science, Vol. 42, No.1,15-26.
  • Doležalová, H., Muller, K., Bláha, P. (2006): Analysis of Geodetic Surveying on the Margin of Subsidence Depression. Górnictwo, Zeszyty Naukowe Politechniki Slaskiej, Gliwice.
  • Bláha, P., Doležalová, H., Muller, K., Skopal, R. (2006): Observation of Heights on the Margin of Subsidence Depression. Transactions of the VŠB-Technical University of Ostrava, Civil Engineering Series, 2, year VI.