Assessment of Horizontal External Stresses in the Vorkuta Mine Field Using Seismic Tomography Data |
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| Authors: | V N Zakharov L A Nazarova M I Protasov L A Nazarov A V Panov A P Averin |
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| Affiliation: | 1.Institute of Comprehensive Exploitation of Mineral Resources,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | 3D geomechanical model of the Vorkuta Mine, Pechora Coal Basin, has been developed and implemented numerically. By the data on dynamic events recorded by stationary seismic stations, tomography of the study object is performed, and velocity of elastic waves is recovered in the illuminated area of the object. The boundary value inverse problem on horizontal external stresses by stress distribution found using empirical relations between elastic wave velocities and stresses determined in the laboratoryscale experiments is formulated and solved. |
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