@article {19463, title = {2D Numerical investigation of twin tunnels influence of excavation phase shift}, journal = {Geomechanics and Engineering International journal}, volume = {16}, number = {3}, year = {2018}, pages = {295-308}, author = {Chafia Djeloul, Toufik Karech, Rafik Demagh, Oulid Liman, Juan Martinez} }