1. Key Laboratory of Road Structure & Materials of Ministry of Transport, Chang’an University, Xi’an, Shaanxi, People’s Republic of China
2. School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an, People’s Republic of China
3. Highway Administration Section of Wuyi, Wuyi, Zhejiang, People’s Republic of China
4. Highway Administration Bureau of Jinhua, Jinhua, Zhejiang, People’s Republic of China
5. Engineering Department, China Highway Engineering Consultants Corporation, Beijing, People’s Republic of China