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岩溶塌陷在岩溶发育地区是一种常见的现象。根据上覆岩层的地质条件,已知我国有以下三种类型: (一)岩溶化岩层上覆疏松岩层时的岩溶塌陷:第四系疏松物质随地下水位下降或地表水下渗充填于岩溶裂隙
Karst collapse in karst areas is a common phenomenon. According to the geological conditions of the overlying strata, we know that there are three types in our country: (1) karst collapse when overlying unconsolidated strata in karst strata: Quaternary loose material decreases with groundwater level or infiltration into the karst fissures