Evaluation of Geological suitability of Underground Space Development in Guangan Main Urban Area
Taking the comprehensive geological survey results of resources and environment in Guang'an,Sichuan Province as an example,this paper selects six first-level indexes,including landform,rock mass condition,geological structure,hydrogeology,bad geological processes and other conditions,and constructs an evaluation index system based on analytic hierarchy process and determines the weights of each evaluation factor.Combined with the comprehensive evaluation model,the geological suitability of underground space development and utilization in the study area was evaluated.According to the evaluation,the suitable and more suitable underground space development zones accounted for 97.23％and 2.77％of the total area,respectively.The results can provide geological reference for the planning,development and utilization of underground space in the study area.
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