1. Ph.D. Student, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, 132 Butler-Carlton Hall, 1401 North Pine St., Rolla, MO 65409-0030, 0355, US, e-mail: xkb4c@mst.edu
2. Senior Researcher, Dam & Watershed Maintenance Dept., K-water, 200 Sintanjin-Ro, Daedeok-Gu, Daejeon 306-711, KR, e-mail: gichunkang@gmail.com (formerly Postdoctoral Visiting Scholar, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology).
3. Assistant Professor, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, 132 Butler-Carlton Hall, 1401 North Pine St., Rolla, MO 65409-0030, 0355, US (Corresponding author), e-mail: bate@mst.edu