1. Université Paris-Est, Laboratoire Navier (UMR 8205), CNRS, ENPC, IFSTTAR, F-77455 Marne-la-Vallée, France
2. Christian-Albrechts-Universität zu Kiel, Institute of Applied Geosciences, Chair of Marine and Land Geomechanics & Geotechnics, Ludewig-Meyn-Street 10, 24118 Kiel, Germany
3. School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA