1. School of Materials Science and Engineering, Chongqing Jiaotong University, No. 66 Xuefu Road, Chongqing 400074, People’s Republic of China
2. Department of Civil Engineering, Catholic University, 20064 Washington, DC, USA
3. School of Transportation, Southeast University, No. 2 Sipailou, Nanjing 210096, People’s Republic of China