Limestone and Silica Powder Replacements for Cement: …
The limestone powder (LS) was obtained from a commercial aggregate production plant, supplied as the dust of fracture passing through a #100 (150 μm) sieve, having an estimated CaCO 3 content of 98.1 % ± 0.6 % based on TGA measurements . The silica powder (SA) was obtained by blending three laboratory-grade powders of similar purity …