Effect of 3D water table profile of horizontal drains on slope stability and idealization of 3D-FEM flow modeling to 2D-FEM flow modelingMihira Lakruwan, Akiyoshi Kamura and Motoki KazamaE3S Web Conf., 347 (2022) 03002DOI: https://doi.org/10.1051/e3sconf/202234703002