Articles for tag: disaster, mining, monitoring, multicoal, protocol, publish, researchers, risk, seam

Researchers publish disaster risk monitoring protocol for multi-coal seam mining

In extreme cases, such instability can trigger disasters like mine earthquakes and widespread collapse of goaf areas, potentially leading to casualties. The new study found that the instability of residual coal pillar-rock strata is characterized by shallow burial depths, concentrated beneath overlying coal seams, and manifests through various mine pressure forms, including support bending and roof collapse, sometimes leading to surface damage. It also established that monitoring residual coal pillar-rock strata instability requires attention to fracture development height in addition to other components and that key evaluation indices such as microseismic energy and crack development height have to be identified