Residual subsidence analysis after the end of coalmine work. Example from Lorraine colliery, France

Abstract : This paper describes the residual movements associated with the deep coalmines. The studied case relates to works located into Lorraine coal basin. The paper is divided into two sections. The first one describes subsidence phenomena, especially the residual phase in terms of amplitude, duration and localization. The second one focus on Morsbach case: the total and residual subsidence measurements will be analyzed and compared to the state of the art as well as the currant knowledge. The results of the analysis show that the duration of residual movements does not exceed 24 months and their amplitude is about 5 % of total subsidence. We analyze also the declarations of the mining damage during and after the mining period. Damages occur, after this period are probably due to late observations.
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Marwan Al Heib, M. Nicolas, J.F. Noirel, Francis Wojtkowiak. Residual subsidence analysis after the end of coalmine work. Example from Lorraine colliery, France. Symposium Post mining 2005, Nov 2005, Nancy, France. pp.NC. ⟨ineris-00972515⟩

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