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Communication Dans Un Congrès Année : 2023

Impact of climate change on the collapse of shallow mines – feedback from France

Résumé

For many years, Ineris has been conducting research on the impact of climate change on the stability of abandoned mines. In this context, work has been initiated to reference cases of shallow mine collapses. So far, 480 cases have been identified and described. Preliminary analysis of the information gathered shows that 50% of the cases correspond relate to chalk mines, 32% to limestone mines, and 16% to gypsum mines. Two case studies presented in the paper were also analyzed in more detail. Complexity of the water-rock interaction and the importance of studying more precisely the various parameters impacted and their relationships are highlighted. Therefore, a chalk mine located in Seine-et-Marne (France) was instrumented to monitor the evolution of the structure over time and analyze the different causes of degradation. The objectives are to better understand the behavior of these structures to be able to detect precursor signs to these collapses.
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ineris-04244632 , version 1 (16-10-2023)

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  • HAL Id : ineris-04244632 , version 1

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Nathalie Conil, Clara Maghami, Philippe Gombert, Marwan Al Heib. Impact of climate change on the collapse of shallow mines – feedback from France. 15th International Congress on Rock Mechanics and Rock Engineering & 72nd Geomechanics Colloquium, Oct 2023, Salzbourg, Austria. pp.1102-1107. ⟨ineris-04244632⟩

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