作者单位: | 1.Department of Geological Engineering, Southwest Jiaotong University, Chengdu611756;2.State-province Joint Engineering Laboratory of Spatial Information Technology for High-Speed Railway Safety, Chengdu611756;3.Chengdu Research Institute of Southwest Jiaotong University Co.Ltd, Chengdu610031;4.Guangzhou Metro Corporation, Guangzhou510030; |