Central Metallurgical Research and Development Institute (CMRDI), P.O. Box: 87 Helwan, El-felzat St., EI-Tabbin, Cairo, Egypt;
Central Metallurgical Research and Development Institute (CMRDI), P.O. Box: 87 Helwan, El-felzat St., EI-Tabbin, Cairo, Egypt;
Central Metallurgical Research and Development Institute (CMRDI), P.O. Box: 87 Helwan, El-felzat St., EI-Tabbin, Cairo, Egypt;
porous silica; rice husk ash; tundish lining; compressive strength; porosity;