Abstract:Bord-and-pillar mIffing has been widely used in northwestern China, and lots of remains of coal resources such as coal pillars, roof coal, bound coal and so on, is a significant waste. Furthermore, th e accidents caused by the instability of bord-and-pillar goaf are commonly faced problems. These accidents may have detrimental effects on mining areas residents in the form of injury, disability or fatality as well as mining company due to downtimes, interruptions in the mining operations, destruction of land re… Show more
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.