摘要
岩溶区地下水或地表水的活动 ,将对土层产生潜蚀作用及崩解作用 ,进而形成土洞。真空吸蚀作用 ,有利于土洞的发育扩大。地下水位的变化 ,将使土洞周围土体的应力状态发生改变 ,并有可能导致土洞周围土体产生塑性破坏 。
The underground erosion and disintegration produced by the activity of ground water will result in formation of soil caves. The vaccum sucking will be helpful for soil cave development. The stress distribution around the soil cave will changed due to variation of groundwater level, then the soil mass around the cave may plastically fail and the soil cave may enlarge or collapse.
出处
《工程地质学报》
CSCD
2004年第1期45-49,共5页
Journal of Engineering Geology
关键词
岩溶区
土洞
潜蚀
崩解
地下水
应力集中
Soil cave, Underground erosion, Disintegration, Groundwater, Stress concentration
