Zheng, X., Yang, F., Shiau, J., Lai, F., & Dias, D. (2023). Unlined Length Effect on the Tunnel Face Stability and Collapse Mechanisms in c-ϕ Soils: A Numerical Study with Advanced Mesh Adaptive Strategies. Computers and Geotechnics, 161, Article 105576. https://doi.org/10.1016/j.compgeo.2023.105576