1. Assistant Professor, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 1 University Station, C1748, Austin, TX 78712 (corresponding author).
2. Professor, Dept. of Civil Engineering, Univ. of Colorado, Boulder, 428 UCB, Boulder, CO 80309; formerly, Director, NEES Fast Hybrid Testing Laboratory, Univ. of Colorado, Boulder, 428 UCB, Boulder, CO 80309.
3. Formerly, Technical Director, NEES Fast Hybrid Testing Laboratory, Univ. of Colorado, Boulder, 428 UCB, Boulder, CO 80309.
4. Formerly, IT Manager, NEES Fast Hybrid Testing Laboratory, Univ. of Colorado, Boulder, 428 UCB, Boulder, CO 80309.
5. Formerly, Laboratory Manager, NEES Fast Hybrid Testing Laboratory, Univ. of Colorado, Boulder, 428 UCB, Boulder, CO 80309.
6. Korea Railroad Research Institute, South Korea; formerly, Graduate Research Assistant, Univ. of Colorado, Boulder, 428 UCB, Boulder, CO 80309.