TY - JOUR T1 - Study on silica fume-hybrid fiber composite modified alkali-activated slag concrete: mix ratio orthogonal experiment, crack propagation, and microstructure JO - Matéria (Rio de Janeiro) A1 - Yuan, Pu A1 - Deng, Gang SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2026-0298 VL - 31 Y1 - 2026 PB - Brasil ER -