1. School of Highway, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, China
2. State Key Laboratory of Road Engineering Safety and Health in Cold and High-Altitude Regions, CCCC First Highway Consultants Co., Ltd., Second Ke Ji Road 63, Xi’an 710065, China
3. Qinghai Huashixia Permafrost Highway Engineering Safety National Observation and Research Station, Qinghai 813500, China