KARGAR, Ali. Compare the amount of buffer required to stabilize the single and twin road tunnels constructed in jointed rock. International Academic Journal of Science and Engineering, [S. l.], v. 1, n. 2, p. 45–56, 2014. Disponível em: https://iaiest.com/iaj/index.php/IAJSE/article/view/IAJSE1410022. Acesso em: 6 nov. 2026.