Aside from portland cement, concrete might have other cementitious components which include fly ash, a squander byproduct from coal burning electrical electrical power crops; ground slag, a byproduct of iron and steel manufacturing; and silica fume, a squander byproduct from the manufacture of silicon or ferro-silicon metallic. Some cementitious resources https://bookmarkmiracle.com/story21462455/examine-this-report-on-concrete-reinforced-wall