1. Ph.D. Student, School of Earth Sciences and Engineering, Nanjing Univ., Zhugongshan Building, No. 163 Xianlin Ave., Nanjing, Jiangsu Province 210023, PR China.
2. School of Civil Engineering, Anhui Jianzhu Univ., No. 292 Ziyun Rd., Shushan District, Hefei, Anhui Province 230601, PR China (corresponding author).
3. Professor, School of Earth Sciences and Engineering, Nanjing Univ., Zhugongshan Building, No. 163 Xianlin Ave., Nanjing, Jiangsu Province 210023, PR China.
4. Geological Engineer, Guangzhou Urban Planning and Design Survey Research Institute, No. 10 Jianshe Ave., Yuexiu District, Guangzhou, Guangdong Province 510030, PR China.
5. School of Earth Sciences and Engineering, Nanjing Univ., Zhugongshan Building, No. 163 Xianlin Ave., Nanjing, Jiangsu Province 210023, PR China.
6. Geological Engineer, First Geological Brigade of Jiangsu Geology and Mining Exploration Bureau, No. 105 Jiadong Village, Youfang Bridge, Yuhuatai District, Nanjing, Jiangsu Province 210041, PR China.