贵州省大方县地质灾害现状及防治措施分析

The present situation of geological disaster and the prevention and control measures in Dafang county,Guizhou province

大方县是贵州省地质灾害较为发育的地区之一,且近年来地质灾害对大方县人民生命财产安全造成严重危害。在充分研究地质环境资料的基础上,本文根据大方县地质灾害隐患点调查及其相关的成果资料,确定大方县现有地质灾害隐患点共245处,包括滑坡172处、崩塌26处、地面塌陷14处、地面沉降6处、地裂缝22处、泥石流5处,共威胁4 470户,22 798人,学校4所。通过分析引发地质灾害的因素有自然因素和诱发因素。其中,诱发因素中的降雨和人类工程活动为主导因素。最后提出了相应的地质灾害防治措施,以期为今后大方县开展地质灾害防治工作提供地质依据,以达到防灾减灾的目的。

Dafang county is one of the areas in Guizhou that are more developed in geological disasters,and the geological disasters in recent years have caused serious harm to the safety of people＇s life and property in the county. On the basis of full study of geological environment data,based on the geological hazard point Dafang results of investigation and the related data,determine the Dafang at point 245 existing geological hazard,including 172 of landslide,collapse,26 of June 14,ground collapse,ground subsidence,ground fissure,22,5 from the landslide threat to 4 470 households,22 798 people,the four schools. The factors that cause geological disasters are natural and precipitating factors by analyzing. Among them,rainfall and human engineering activity are the leading factors. Finally put forward the corresponding geological disaster prevention and control measures,so as to the future Dafang provide geological basis for geological disaster prevention and control work,in order to achieve the purpose of disaster prevention and mitigation.