Experimental Study on Nonlinear Characteristics of Permeability and Compressibility of Soft ClayChang-xi Yue, Zhi-jun Chen, Xiao-qiang Kou, Dao-kun Zhuang and Jiang-xin LuE3S Web Conf., 283 (2021) 01050DOI: https://doi.org/10.1051/e3sconf/202128301050