THE EFFECT OF ADDING CEMENT, HUSK ASH, AND FIBER ON INCREASING THE SHEAR STRENGTH OF CLAY SOIL. FROPIL (Forum Profesional Teknik Sipil), [S. l.], v. 10, n. 1, p. 18–24, 2022. DOI: 10.33019/fropil.v10i1.2826. Disponível em: https://www.journal.ubb.ac.id/index.php/fropil/article/view/2826. Acesso em: 19 jun. 2026.