1. Graduate Student, Dept. of Airfield and Building Engineering, Air Force Engineering Univ., Xi’an 710038, China (corresponding author).
2. Professor, Dept. of Airfield and Building Engineering, Air Force Engineering Univ., Xi’an 710038, China.
3. Engineer, Airport Office, Air Force Logistics Dept. in Guangzhou Military Region, Guangzhou 510052, China.
4. Graduate Student, Dept. of Airfield and Building Engineering, Air Force Engineering Univ., Xi’an 710038, China.