Estimation of the shear strength of a coarse soil with high fines content by parallel gradation methodN'guessan MoÏse Kouakou, Olivier Cuisinier, Farimah Masrouri, Emmanuel Lavallée and Tangi Le BorgneE3S Web Conf., 92 (2019) 06001DOI: https://doi.org/10.1051/e3sconf/20199206001