1. School of Civil Engineering, Suzhou Univ. of Science and Technology, 1701 Binhe Rd., New District, Suzhou, Jiangsu 215011, China; Civil and Environmental Engineering, Suzhou Branch of Institute on Internet of Mobility, Southeast Univ. and Univ. of Wisconsin–Madison, Madison, WI.
2. School of Civil Engineering, Suzhou Univ. of Science and Technology, 1701 Binhe Rd., New District, Suzhou, Jiangsu 215011, P.R. China.