1. Visiting Scholar, Dept. of Mechanical and Industrial Engineering, Univ. of Minnesota, Duluth, MN 55812 USA; Associate Professor, School of Civil Engineering, Harbin Institute of Technology, Harbin, 150090 China.
2. Research Associate, Dept. of Mechanical and Industrial Engineering, Univ. of Minnesota, Duluth, MN 55812.
3. Associate Professor, Dept. of Mechanical and Industrial Engineering, Univ. of Minnesota, Duluth, MN 55812; Dept. of Mechanical & Energy Engineering, Univ. of North Texas, Denton, TX 76092 USA (corresponding author).,
4. Professor, Dept. of Civil Engineering, Univ. of Minnesota, Duluth, MN 55812.
5. Professor, School of Civil and Hydraulic Engineering, Dalian Univ. of Technology, Dalian, 116024 China; School of Civil Engineering, Harbin Institute of Technology, Harbin, 150090 China.