改进的灰色关联分析在滑坡危险性评价中的应用——以广东省滑坡危险性评价为例  

An Application of Improved Grey Association Analysis Method in Evaluating Landslide Hazard in Guangdong Province

作　　者：涂长红 商建林 谢叶彩 廖化荣[3] 

机构地区：[1]江西萍乡矿业集团矿建分公司,江西萍乡37000 [2]广东省地质调查院,广东广州510080 [3]中山大学地球科学系,广东广州510275

出　　处：《灾害学》2007年第1期86-89,共4页Journal of Catastrophology

摘　　要：利用改进的灰色关联分析方法,采用“中心化”无量纲的处理方法,对广东滑坡灾害危险性的影响因素进行灰色关联度分析。通过地形地貌条件、地层岩性特征、地质构造特征、岩土体结构特性、水文地质条件、植被覆盖率、降雨分布、地震、人类经济工程活动等9个评价因素与滑坡危险性的关联度计算,得出各影响因素与滑坡危险性评价的关系,具有一定的客观性、科学性和合理性。The modified grey association analysis method is applied to evaluate the degree of landslide hazard based on the characteristics of various types and complex controlling factors of slope hazards in this paper. In order to overcome the defects of the traditional grey association analysis method, some improvements are put forward, including＇central quantificational＇non-dimension method. Some practical examples of evaluating degree of hazard of slope in Guangdong Province are given. The various characteristics which are evaluated include 9 factors： landform, stratum and lithology, geological structure, fabric of rock and soil, hydrogeology, overlay rate of vegetation, rainfall distribution, earthquake and engineering activity of humanity. The results show that this method is more reasonable and more feasible.

关 键 词：灰色关联分析 滑坡危险性评价 广东 

分 类 号：P642.22[天文地球—工程地质学]