Abderrahim, A. and Amrane, M.N. 2024. Comparative Study: Simplified vs. FEM for Seismic Forces in Circular Tunnels. Geotechnical Engineering Journal of the SEAGS & AGSSEA . 55, 3 (Sep. 2024), 1–16. DOI:https://doi.org/10.14456/seagj.2024.15.