1. School of Resources and Civil Engineering, Northeastern Univ., Shenyang 110819, China (corresponding author).
2. Professor, School of Resources and Civil Engineering, Northeastern Univ., Shenyang 110819, China.
3. Assistant Professor, School of Resources and Civil Engineering, Northeastern Univ., Shenyang 110819, China.
4. School of Resources and Civil Engineering, Northeastern Univ., Shenyang 110819, China.