Aside from portland cement, concrete may perhaps include other cementitious components which includes fly ash, a waste byproduct from coal burning electric energy vegetation; ground slag, a byproduct of iron and steel manufacturing; and silica fume, a squander byproduct from the manufacture of silicon or ferro-silicon metal. A few of https://jasperbazxu.blogunteer.com/34733286/the-ultimate-guide-to-concrete-reinforced-beam