Selection of the optimum support system for underground openings such as tunnels is a complex process. In this paper, a new approach, based on a combination of the Analytical …
Several empirical equations to estimate coal pillar strength have been presented in academic studies. The development processes of these equations are similar and are …
Chain coal pillars are parts of the structure of longwall mining system that play a significant role in the stability of the entries. With mechanization and developments in the various …
Приведены результаты исследований, которые позволили обосновать параметры расположения и крепления надрабатываемых выработок при ведении очистных работ …
The empirical rock failure criteria play an important role in predicting the mechanical behavior of rocks, since affecting parameters on the behavioral properties of rocks are …