1. Key Laboratory of Disaster Prevention and Structural Safety, Ministry of Education, College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China
2. College of Architecture and Civil Engineering, Guangxi University, Nanning 530004, China
3. Guangxi Provincial Engineering Research Center of Water Security and Intelligent Control for Karst Region, Guangxi University, Nanning 530004, China
4. Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University, Nanning 530004, China
5. Nanning Survey and Design Institute of Guangxi Pearl River Commission, Nanning 530004, China