Tomasz Hueckel, Duke University, Civil and Environmental Engineering, Durham, NC, United States, Bolo Mielniczuk, Duke University, Civil and Environmental Engineering, Durham, United States, Shu Yang, Duke University, Mechanical Engineering and Materials Science, Durham, NC, United States and Said M. El-Youssoufi, Universite de Montellier, Laboratoire de Mecanique et Genie Civil, Montpellier, France