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岩溶地区地面塌陷是指岩溶洞隙上方的岩土体在自然或人为因素作用下引起变形破坏,并在局部地面形成塌坑(洞)的一种岩溶动力地质作用过程与环境灾害现象。它是水动力作用于一定地质环境的产物,在我国主要发育于西南及南方的碳酸盐岩分布区和矿山开
Ground subsidence in karst area is a kind of karst dynamic geologic process and environmental disaster phenomenon caused by deformation or destruction of rock and soil above the karst cave under natural or man-made factors and forming collapse pit (hole) on local ground. It is the product of hydrodynamic effect in a certain geological environment. It is mainly distributed in the carbonate rock areas and mines in southwestern and southern China