STABILITY CHARTS FOR UNSUPPORTED PLANE STRAIN TUNNEL HEADINGS IN HOMOGENEOUS UNDRAINED CLAY. International Journal of Geomate, [S. l.], v. 14, n. 41, p. 19–26, 2017. Disponível em: https://geomatejournal.com/geomate/article/view/3200. Acesso em: 19 oct. 2026.