1. Doctoral Student, Laboratory of Hydraulic Constructions (LCH), School of Architecture, Civil and Environment Engineering (ENAC), Ecole Polytechnique Fédérale de Lausanne (EPFL), Station 18, 1015 Lausanne, Switzerland (corresponding author).
2. Professor, Civil Engineering Dept., Haute Ecole d'Ingénierie et d'Architecture de Fribourg (HEIA-FR, HES-SO), 1700 Fribourg, Switzerland.
3. Professor, Dept. of Civil Engineering, Univ. of Ottawa, 161 Louis-Pasteur, A110, Ottawa, ON, Canada K1N 6N5.
4. Professor, Laboratory of Hydraulic Constructions (LCH), School of Architecture, Civil and Environment Engineering (ENAC), Ecole Polytechnique Fédérale de Lausanne (EPFL), Station 18, 1015 Lausanne, Switzerland.