Seismic analysis of the zaouiat ait mellal twin tunnels of Agadir motorway (Morocco)Abdelhay El Omari, Mimoun Chourak, Carlos Navvaro Ugena, Seif-Eddine Cherif, Mohamed Rougui, Hassan Bakali and Angel luis Sanchez-MerinoE3S Web Conf., 150 (2020) 03001DOI: https://doi.org/10.1051/e3sconf/202015003001