Alajlan, Z.S. et al. 2026. Rainfall-Induced Stability of Reinforced Slopes with Twin Parallel Tunnels: Experimental Validation and Coupled Hydro-Mechanical Analysis. Civil Engineering Journal. 12, 3 (Mar. 2026), 1205–1224. DOI:https://doi.org/10.28991/CEJ-2026-012-03-022.