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Lapa Mine – ground control practices in extreme squeezing ground
Proceedings of the Seventh International Symposium on Ground Support in Mining and Underground Construction
Many underground hard rock mines have to deal with various degrees of squeezing in underground tunnels. Depending on the severity of the phenomenon, considerable investments either in rock reinforcement and support can be necessary. In worst cases, time-consuming and possibly hazardous scaling and rehabilitation operations can be required to keep drifts serviceable. Therefore, a proper understanding of the rock mass, its response to excavation and the mechanisms involved is paramount to thedoi:10.36487/acg_rep/1304_06_mercier-langevin fatcat:dijnphynzfgzlknos2vdxp2fja