1. Lecturer, Dept. of Civil Engineering, Changzhou Univ., Changzhou, Jiangsu 213164, PR China.
2. Ph.D. Candidate, School of Resources and Environmental Engineering, Wuhan Univ. of Technology, Wuhan, Hubei 430070, China.
3. Associate Professor, Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan Univ. of Technology, Wuhan, Hubei 430070, China.
4. Professor, School of Resources and Environmental Engineering, Wuhan Univ. of Technology, Wuhan, Hubei 430070, China (corresponding author).