[PDF][PDF] Improving Technical-Economical Performance at Praid Saline Way of Rock Salt Roadheader Mechanized Mining
I Onica, DP Marian, V Mihăilescu - Mining Revue, 2021 - sciendo.com
Increasing the mining depth at Praid Saline and implicitly the state of stresses and strains
determines an increase in the dimensions of resistance structures (pillars and ceilings) …
determines an increase in the dimensions of resistance structures (pillars and ceilings) …