3D Evaluation Method and Practice of Geological Safety Risk for Urban Underground Space
Three-dimensional geological safety risk evaluation for urban underground space(UUS)is an important means to rationally carry out 3D development for UUS and reduce the geological risk.But there is still a lack of systematic research,and the workflow is still to be explored in depth.According to the previous work,this paper summarises the types of geological safety risks for UUS,geological triggers and core evaluation indexes,as well as the limitations of traditional 2D evaluation.Based on this,this paper proposes a workflow of 3D evaluation technology and methodology for geological safety risks for UUS by combining the key 3D technologies,such as 3D geological modeling,3D evaluation index system and 3D spatial analysis methods.In order to verify the effectiveness of the workflow,this paper takes Jiangbei New District in Nanjing City as an example to carry out the 3D geological safety risk evaluation for UUS.The workflow shows a good result and is proved to be able to efficiently enhanced for precision and accuracy,providing strong support for 3D UUS development.
urban underground spacegeological safety risk3D evaluationJiangbei New DistrictNanjing City
万方数据
维普
