Study of eco-optimized ultra-high-performance concrete with the addition of slag and recycled glass - F. Pellicer-Martínez; J. Abellán-García; J. A. López-Juárez; J. Pérez-Aracil (CMMoST 2025: [extended abstracts] : 8th International Conference on Mechanical Models in Structural Engineering, 26th November - 28th November 2025, Escuela de Ingenierías Industrial, Informática y Aeroespacial Universidad de León, 2025)