1. Adjunct Professor, Dept. of Civil Engineering, CB 113, Univ. of Colorado, P.O. Box 173364, Denver, CO 80309-0428.
2. PhD Candidate, Laboratoire de Genoe Civil et d’Urbanisme, 2 rue Albert Einstein, B, timent IUT-IUP Genie Civil champs-sur-Mame, 77420, France.
3. Associate Professor, Dept. of Civil Engineering, CB 428, Univ. of Colorado, Boulder, CO 80309-0428.