1. Research Assistant, State Key Laboratory of Hydraulic and Mountain River Engineering, Sichuan Univ., Chengdu 610065, China.
2. Professor, State Key Laboratory of Hydraulic and Mountain River Engineering, Sichuan Univ., Chengdu 610065, China.
3. Professor, State Key Laboratory of Hydraulic and Mountain River Engineering, Sichuan Univ., Chengdu 610065, China (corresponding author).
4. Engineer, Powerchina Chengdu Engineering Corporation Limited, No. 1 North Huanhua Rd., Chengdu 610072, China.