1. Engineer, Malouf Engineering International, Inc., 275 West Campbell Rd Suite 611, Richardson, TX 75080.
2. Graduate Research Assistant, Dept. of Civil Engineering and Geological Science, Univ. of Notre Dame, Notre Dame, IN 46556.
3. Robert M. Moran Professor and Chair, Dept. of Civil Engineering and Geological Science, Univ. of Notre Dame, Notre Dame, IN 46556.