Predicting the Mechanical Thresholds of Recycled HDPE-Modified Concrete Using a Novel Non-Destructive Structural Quality Index. Sebha University Conference Proceedings, [S. l.], v. 5, n. 4, p. 38–42, 2026. DOI: 10.51984/vdp5mh82. Disponível em: https://sebhau.edu.ly/journal/sucp/article/view/4075. Acesso em: 15 nov. 2026.