1. Dept. of Civil Engineering, RWTH Aachen Univ., Mies-van-der-Rohe-Straße 1, Aachen 52074, Germany; School of Transportation, Southeast Univ., Nanjing 211189, China (corresponding author). ORCID: .
2. Dept. of Civil Engineering, RWTH Aachen Univ., Mies-van-der-Rohe-Straße 1, Aachen 52074, Germany.
3. Professor, Dept. of Civil Engineering, RWTH Aachen Univ., Mies-van-der-Rohe-Straße 1, Aachen 52074, Germany.