区域地质环境复杂程度评价  

Evaluation of Regional Geological Environment Complexity

作　　者：李源亮 任光明[2] 范荣全 王猛[4] 李惠民[2] 李畅[2] LI Yuan-liang;REN Guang-ming;FAN Rong-quan;WANG Meng;LI Hui-min;LI Chang(Guangxi Transportation Design Group Co.,Ltd.,Nanning 530011;State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology,Chengdu 610059;Sichuan Power Electric Corporation,State Grid,Chengdu 610041;Remote Sensing Center,Sichuan Institute of Geological Survey,Chengdu 610081)

机构地区：[1]广西交通设计集团有限公司,南宁530011 [2]成都理工大学地质灾害防治与地质环境保护国家重点实验室,成都610059 [3]国网四川省电力公司,成都610041 [4]四川省地质调查院遥感中心,成都610081

出　　处：《四川地质学报》2020年第1期86-92,共7页Acta Geologica Sichuan

基　　金：国家电网公司科技项目资助(SGSCJY00JHJS201600026)。

摘　　要：宏观分析区域地质环境复杂程度能有效指导长距离线状工程规划选线、指导城镇规划选址。以往地质环境复杂程度评价主要针对小区域,其评价方案在应用于大区域时受到一定限制。本文总结提出了区域地质环境复杂程度评价的指导性原则,针对地学研究中长期存在的地层岩性复杂程度难以量化的特点,引入信息熵的概念,利用"地层岩性信息熵"实现了复杂程度的量化评价。以四川为例,选取地形地貌、地层岩性、冻土、断裂构造、区域稳定性、气象等6类10项指标,利用AHP法计算指标权重,基于GIS平台对境内地质环境复杂程度进行分析。研究方法对区域地质环境评价具有参考价值,成果可为四川境内长距离线状工程规划提供参考。Macro analysis of regional geological environment complexity can effectively guide the planning and location of long-distance linear projects and urban planning. In the past, the evaluation of geological environment complexity was mainly aimed at small areas, and its evaluation scheme was restricted when applied to large areas. In view of this, this paper puts forward guiding principles of evaluation of regional geological environment complexity, using information entropy evaluating the complexity of stratigraphic lithology. Selecting 10 indicators from topography, stratigraphic lithology and frozen soil, faults, regional stability, meteorology and using the Analytic Hierarchy Process(AHP) for calculating index weights, geological environment complexity is analyzed based on the GIS platform. This research method is of value to the evaluation of regional geological environment. The results provide a basis for long distance linear engineering planning in Sichuan.

关 键 词：地质环境 复杂程度 地层岩性信息熵 四川地质 层次分析法 

分 类 号：P642.4[天文地球—工程地质学]