Numerical approach for estimation of stress strain state of deep tunnels Adilov Farkhadjan, Yuldoshev Bakhtiyor, Abirov Rustam and Miralimov Mirzakhid E3S Web Conf., 97 (2019) 04064 Published online: 29 May 2019 DOI: 10.1051/e3sconf/20199704064