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.
Domaines
Sciences de la Terre
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