1. Institute of Highway Engineering, RWTH Aachen University, Mies-van-der-Rohe-Str. 1, 52074 Aachen, Germany
2. School of Transportation Science and Engineeing, Harbin Institute of Technology, Harbin 150090, China
3. Institute for Urban and Pavement Engineering, TU Dresden, Georg-Schumann-Straße 7, 01187 Dresden, Germany
4. Federal Highway Research Institute (BASt), Brüderstr. 53, 51427 Bergisch Gladbach, Germany
5. School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China
6. Guangdong Provincial Key Laboratory of Modern Civil Engineering Technology, Guangzhou 510641, China