1. Assistant Professor, Civil Engineering Dept., Kuwait Univ., P.O. Box 5969, Safat 13060, Kuwait. E-mail: almedeij@civil.kuniv.edu.kw
2. Professor, Dept. of Civil and Environmental Engineering, Virginia Polytechnic Institute and State Univ., Blacksburg, VA 24061. E-mail: pdiplas@vt.edu
3. Professor, Dept. of Earth and Environmental Sciences, KuwaitUniv., P.O. Box 5969, Safat 13060, Kuwait. E-mail: Fawzia@kuc01.kuniv.edu.kw