1. Staff II–Structures, Simpson Gumpertz and Heger, 41 Seyon St., Waltham, MA 02453; formerly, Graduate Research Assistant, Intelligent Infrastructure Systems Laboratory, Purdue Univ., West Lafayette, IN 47907 (corresponding author).
2. Senior Specialist, Wood Group Kenny, 15115 Park Row, Houston, TX 77084; formerly, Graduate Research Assistant, Intelligent Infrastructure Systems Laboratory, Purdue Univ., West Lafayette, IN 47907.
3. Professor, Mechanical and Civil Engineering, Intelligent Infrastructure Systems Laboratory, Purdue Univ., West Lafayette, IN 47907.