Akolade , A.S. et al. 2026. Application of Rice Husk Ash-Derived Nano-Silica as a Partial Replacement of Portland Limestone Cement: Effects on Workability, Compressive Strength, and Mass Gain of Concrete. American Journal of Civil Engineering and Constructions. 2, 2 (Sep. 2026), 27–36. DOI:https://doi.org/10.54536/ajcec.v2i2.8444.