1. Graduate Research Assistant, Hawthorne & York, Int., Phoenix, AZ; formerly, Dept. of Civil and Environmental Engineering, Arizona State Univ., Tempe, AZ 85287-5306. E-mail: saurabh.bansal@hyi-usa.com
2. Professor, Dept. of Civil and Environmental Engineering, Arizona State Univ., Tempe, AZ 85287.
3. Professor, Dept. of Civil and Environmental Engineering, Arizona State Univ., Tempe, AZ 85287. E-mail: s.rajan@asu.edu
4. Advanced Technology Structures Engineer, Orbital Sciences, Chandler, AZ 85248; formerly, Honeywell Aerospace.