1. Visiting Assistant Professor, School of Civil Engineering, Indiana Local Technical Assistance Program, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907-2051 (corresponding author).
2. Charles Pankow Professor of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907-2051.
3. Associate Professor of Civil Engineering, Director, Indiana Local Technical Assistance Program, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907-2051.