Aside from portland cement, concrete may include other cementitious components which includes fly ash, a squander byproduct from coal burning electric powered electric power vegetation; floor slag, a byproduct of iron and steel production; and silica fume, a squander byproduct with the manufacture of silicon or ferro-silicon steel. Some cementitious https://atto-393603.bloggosite.com/42909599/detailed-notes-on-concrete-reinforced-retaining-wall