临沂市城区岩溶塌陷特征及成因分析

Characteristics and Origin Analysis of Karst Collapse in Linyi City

摘要:

自20世纪80年代以来,临沂市城区一带发生多起岩溶塌陷,这些岩溶塌陷发生具有突发性、重复性,其分布具有一定的规律性;其形成原因一方面取决于该区具备岩溶塌陷形成的物质基础条件,另一方面取决于水动力条件的改变,而水动力条件的改变主要是由于城区地下水不合理开采造成的。

Abstract:

Quite a few of Karst collapses have happened in Linyi city since 80 s of 20 century.They have the characteristics of abruptness,repetition and differential distribution.Karst collapse was formed by two sides origins: one is basic condition for forming collapse,the other is the change of hydro-dynamic condition which was caused by irrational exploitation of groundwater in city area.