1. Assistant Professor, Dept. of Civil Engineering, National Central Univ., 300 Jhongda Rd., Jhongli, Taoyuan 32001, Taiwan.
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Texas, 1 University Station C1752, Austin, TX 78712 (corresponding author).
3. Professor, Dept. of Civil Engineering, Univ. of Texas, 1 University Station C1752, Austin, TX 78712.
4. CEO, Advance Vehicles, Inc., 21265 Westwood Drive, Strongsville, OH 44149.
5. Assistant Project Manager, Pepper Construction of Indiana, 1850 West 15th St., Indianapolis, IN 46202.