Study On Evaluation Of Geological Environment Quality In Shen Mu County

With the progress of human society, the strong of human engineering activities have acertain impact on the geological environment, especially the environmental geologicalproblems from coal mining activities, such as ground deformation, environmental pollution,soil erosion. These disasters are the main factors that influence the quality of the geologicalenvironment.Based on the field investigation of the geological environment of Shen Mu County, thecharacteristics of geological environment problems and its geological environmentalbackground and human engineering activities are closely related. Exploitation of abundantcoal resources(coal seam buried depth, thickness) results in geological environmentalproblems,such as mining subsidence、collapse、 landslide、 the destruction of waterresources,and then the fragile geological environment is further deterioration. Through theabove analysis, this paper adopts pairwise comparable method and chooses the topography、the average annual rainfall、 vegetation coverage、 the features of geotechnical engineering、mining subsidence、collapse、 landslide、the destruction of water resources、 the populationdensity、the production capacity of the mine as the evaluation factors,and establishes theevaluation index system, and uses AHP to determine the index weight, and employs the fuzzycomprehensive evaluation to establish the evaluation model. The last we get the results.Thepoorest quality of geological environment of Shen’ Mu county (the original ecologicalgeological environment has been seriously damaged) is in Da Liu Ta Town, Huo Ji Tu Town,Ma Jia Ta Country, and Wan Town, etc.and the poorer area (the original ecologicalgeological environment has been destroyed) is in south central region, and the betterquality(the original ecological geological environment is damaged relatively light) is innorth-central, and the best one(the original ecological geological environment is damage slightly) is in the western of Shen Mu County.By partitioning the evaluation result and the actual survey results, the index system andthe method of selecting are in line with the actual situation.