1. Key Laboratory of Cryosphere Science and Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China.
2. Professor, Key Laboratory of Cryosphere Science and Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China.
3. Professor, School of Civil Engineering, Lanzhou Jiaotong Univ., Lanzhou 730070, China.
4. Associate Professor, Key Laboratory of Cryosphere Science and Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China.
5. Professor, Key Laboratory of Cryosphere Science and Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China (corresponding author).