@article {64989,
	title = {2D numerical investigation of twin tunnels-Influence of excavation phase shift},
	journal = {Geomech. EngGeomech. Eng},
	volume = {16},
	year = {2018},
	month = {2018},
	pages = {295-308},
	author = {Djelloul, Chafia and Karech, Toufik and Demagh, Rafik and Limam, Oualid and Martinez, Juan}
}
