1. Leader, Structures Group, National Institute of Standards and Technology, Gaithersburg, MD 20899-8611.
2. Research Structural Engineer, National Institute of Standards and Technology, Gaithersburg, MD 20899-8611 (corresponding author).
3. Senior Research Structural Engineer, National Institute of Standards and Technology, Gaithersburg, MD 20899-8611.
4. Guest Researcher, National Institute of Standards and Technology, Gaithersburg, MD 20899-8611.