EFFECT OF CLAY SHALE SHEAR STRENGTH DEGRADATION ON BORED PILE FRICTION IN CLAY SHALE. Jurnal Teknologi, [S. l.], v. 84, n. 5, p. 177–183, 2022. DOI: 10.11113/jurnalteknologi.v84.18220. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/18220.. Acesso em: 5 may. 2024.