Study on GMZ bentonite-sand mixture by undrained triaxial testsWen-jing Sun, Chao Chen, Shi-qing Liu, De-an Sun, Xue-hai Liang, Yun-Zhi Tan and Behzad FatahiE3S Web Conf., 9 (2016) 18006DOI: https://doi.org/10.1051/e3sconf/20160918006