1. Key Laboratory of Road Construction Technology and Equipment of MOE, Chang’an University, Xi’an, People’s Republic of China
2. Institute of Energy, School of Engineering, Cardiff University, Cardiff, UK
3. School of Management Engineering, Anhui Polytechnic University, Anhui, People’s Republic of China
4. Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, Northwestern Polytechnical University, Xi’an, People’s Republic of China