National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Influence on mining seismicity on surface in areas with underground mining activity
Kaláb, Zdeněk
Effects of underground mining activities on surface structures are summarized in this paper. Final actions are hydrogeological changes, effects on landscape shapes and vibrations on surface.
Complex geodetic and geophysical measuring in the subsidence depression
Doležalová, Hana ; Kaláb, Zdeněk ; Müller, Karel
The usage of geodetic and geophysical methods to measure at the undermined territory is described in the contribution. Beside geodetic methods that are used in the subsidence depression to find out both motions and deformations of the surface and buildings there's also presented the suitability to use geophysical methods in the mining area. The principles of seismologic measurements to review buildings exposure are described too, as the observation of influences of underground mining on buildings is very useful.
Modelling of the mining induced seismicity impact on the surface structures using Plaxis computing system
Hrubešová, E. ; Kaláb, Zdeněk
The excavated coal deposits in the Karviná mine district are situated close to the surface structures and this excavation can be manifested into the macroseismic effects on the surface. These effects can cause the troublesome physiological feeling of inhabitants and optionally, the defects of the building. In this paper there are presented the initial results of the seismic response modelling for the surface objects subjected to the mining seismicity. For the modelling the numerical system Plaxis (Holland) based on the FEM was used.

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