Elpida Kolokytha, Associate Professor, PhD, Division of Hydraulics and Environmental Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece Satoru Oishi, Professor, PhD, Research Center for Urban Safety and Security, Kobe University, 1-1, Rokko-dai, Nada-ku, Kobe 657-8501, Japan Ramesh Teegavarapu, Associate Professor, PhD, Department of Civil, Environmental and Geomatics Engineering, Florida Atlantic University, 777 Glades Road, EW217, Boca Raton, Florida 33431, USA