The invention aims to maintain the primary stress state in the rock during extraction and realization of excavations in the mining industry, thus removing the risk of landslides. For this purpose, it is drilled or cut rock in the mining and / or performing excavations by means of drilling tools or cutting machine, then ground or rock is fragmented by means of tools crushing or fragmentation. The invention also relates to a modular system to optimally perform the drilling, cutting machine, and fragmentation or consequential rock grinding.
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