Détection et surveillance des zones surcontraintes par des méthodes sismo-numériques

Abstract : Detection and monitoring of high stress concentration zones induced by coal mining at a depth of 1250 meters in Lorraine Collieries, are carried out by coupling numerical and microsismic methods. Estimation of changes of state of stresses induced by coal mining is carried out by using of numerical modelling. Location and monitoring of high stress concentration zones are obtained by a local microsismic network. The study of microsismic activity recorded during coal mining made it possible to locate high stress concentration zones and to validate results from numerical modelling. The results of this study open interesting prospects with regards to coupling numerical and microsismic methods as a means of detection, location and monitoring of the zones prone to rockbursts.
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  • HAL Id : ineris-00972175, version 1
  • INERIS : PU-1999-056

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Gloria Senfaute, Marwan Al Heib, Jean-Pierre Josien, J.-F. Noirel. Détection et surveillance des zones surcontraintes par des méthodes sismo-numériques. 9. Congrès International de Mécanique des Roches, Aug 1999, Paris, France. pp.1065-1070. ⟨ineris-00972175⟩

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