漾濞县地质灾害易发性分区及防治对策研究

【作者】 陈文雄；

【导师】 李俊；

【作者基本信息】 昆明理工大学 ， 矿产普查与勘探， 2008， 硕士

【摘要】 本文通过地质灾害分布图和各因素图的叠加,定量、半定量化确定地质灾害敏感性指标,然后对各敏感性指标进行叠加处理。运用打分或评级的方法赋予各因素以权重系数,再对各权重系数进行相关数学运算,从而得到地质灾害区划的定量依据。在此基础上对漾濞县地质灾害进行易发性分区,将其分为高易发区、中易发区、低易发区和不易发区4个区,并依据分区结果提出了漾濞县地质灾害综合防治对策。本论文主要包括以下几个方面的内容：1.介绍了漾濞县的区域地质环境条件,包括地形地貌、地层岩性、地质构造、气候水文条件和植被条件,为确定评价因子做准备。2.通过野外调查资料的总结,分析漾濞县地质灾害的时间、空间分布规律以及地质灾害的发育特征。3.地质灾害易发程度评价：通过对漾濞县地质环境条件的分析,建立层次模型确定评价因子,运用地质灾害综合危险性指数法对评价区域进行分单元网格计算,依据地质灾害综合危险性指数合并相同单元网格,划定地质灾害易发区。4.地质灾害综合防治对策：依据漾濞县地质灾害易发性分区结果提出了漾濞县地质灾害防治的建议和防治措施。更多还原

【Abstract】 Sensitive indicators of geological hazards was identifying by distribution map of geological hazards and the factors map overlays, quantitative and semi-quantitative, then sensitive indicators overlay. Use the method of scoring or rating given to each factor weight factor, the weight factor associated math, geological hazards have a quantitative basis for division. On this basis, the Yang Bi County prone to geological hazards of the Division, will be divided into four areas:high-prone areas, moderate-prone areas, sub-prone areas and none-pron areas, and based on the results of the Division Yang Bi County geological hazards prevention measures. This paper includes the following aspects:1. Introduce Yang Bi County’s regional geological conditions, including terrain landform, formation lithologic and geological structure, climate and hydrological conditions of vegetation conditions in order to determine factors for evaluation.2. Through the field survey’s summary, analysis of geological hazards in Yang Bi County, the temporal and spatial distribution of geological hazards.3. Prone to geological hazards evaluation:The Yang Bi County geological conditions of analysis, evaluation factor determining level model, the use of geological disaster risk index for the evaluation of regional sub-units of grid computing, based on geological disaster risk Index of the merger the same unit grid, delineation of geological hazards-prone areas.4. Geological disaster countermeasures:according to the district results of Yang Bi County’s geological hazards-prone, Yang Bi County’s countermeasures and control of the proposed measures.更多还原