The junkyard is a kind of loose dump of rock and soil, existing serious erosion of rock and soil, whose safety and stablility interferes in economic benefit and benefit interest on mine.

• 摘要排土场是一种松散的岩土混合物堆积体，存在着严重的岩土侵蚀，它的安全与稳定涉及矿山的生产安全及其经济利益与社会效益。