In addition to portland cement, concrete could consist of other cementitious elements together with fly ash, a squander byproduct from coal burning electrical power crops; floor slag, a byproduct of iron and steel production; and silica fume, a waste byproduct in the manufacture of silicon or ferro-silicon metal. Some cementitious https://bookmarkinglog.com/story19774229/not-known-facts-about-concrete-reinforced-with-natural-fibers