贵州主要城市的岩溶塌陷灾害及其防治

Collapse disasters in major cities of Gui Zhou province and their prevenetion and cure

贵州是我国岩溶地貌最发育的省份之一，全省主要城市贵阳、遵义、安顺和六盘水等四个城市都分布在岩溶区。随着城市发展加快，城市岩溶塌陷灾害也日趋突出。本文以贵州四个主要城市为例，阐述岩溶塌陷灾害的概况及危害，分析了岩溶塌陷的发育分布特征，探讨了岩溶塌陷的成因机理，并据此提出了相应的防治对策。

Guizhou is one of the provinces with karst landforms best developed,where 73% of its total are a is covered by the carbonate rocks and the major cities of Guizhou such as Guiyang、Zunyi、Lioupanshui and Anshun are all located in karst mountain regions.with the development of these cities and the accelerating intensity of un reasonable of human activities karst collapse disasters in Guizhou Province especially in some maior cities be come more and more serious and do huge damage to economy and society of Guizhou.Taking four mafor cities of Guizhou as examples,this paper states the general situations of karst colrapse cliasters and analyzes the ir development and distribution features.The formation mechanisms of karst collapse are thus explored and corresponding countermeasurers are suggesfed finally.