Sustainable Ultra-High-Performance Concrete: Incorporating Nano-Eggshell Waste for Improved Strength and Durability. Advanced Multidisciplinary Engineering Journal (AMEJ), [S. l.], v. 1, n. 1, p. 1–8, 2025. Disponível em: https://pub.scientificirg.com/index.php/AMEJ/article/view/18. Acesso em: 3 mar. 2026.