Seismic Analysis of Floating Stone Columns in Soft Clayey SoilMahdi O. Karkush, Amer G. Jihad, Karrar A. Jawad, Mustafa S. Ali and Bilal J. NomanE3S Web Conf., 318 (2021) 01008DOI: https://doi.org/10.1051/e3sconf/202131801008