1. Ph.D. Student; formerly, MS Student, Faculty of Civil Engineering and Geosciences, Delft Univ. of Technology, Stevinweg 1, 2628CN, Delft, The Netherlands (corresponding author). E-mail: w.a.breugem@tudelft.nl
2. Associate Professor, Faculty of Civil Engineering and Geosciences, Delft Univ. of Technology, Stevinweg 1, 2628CN, Delft, The Netherlands. E-mail: l.h.holthuijsen@tudelft.nl