Loess cave is a kind of geological disaster and it may damage many kinds of industrial and civil buildings, such as traffic, pipeline, water storage project, factory building, etc.

• 黄土洞穴本身是一种地质灾害,对黄土地区的运输、管道、拦蓄水工程、厂房、民居等各类工业与民用建筑构成不同程度威胁;