1. Assistant Professor, School of Transportation and Logistics, Dalian Univ. of Technology, Dalian 116024, China (corresponding author).
2. Professor, School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
3. Clinical Professor, Center for Advanced Cement Based Materials, Northwestern Univ., Evanston, IL 60208.
4. Walter P. Murphy Professor of Civil Engineering (Emeritus), Center for Advanced Cement Based Materials, Northwestern Univ., Evanston, IL 60208.