Helical Piles Embedded in Expansive Soil Overlaying Sandy Soil. Al-Khwarizmi Engineering Journal, [S. l.], v. 12, n. 3, p. 19–25, 2017. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/309.. Acesso em: 1 may. 2024.