Aside from portland cement, concrete may include other cementitious elements which include fly ash, a squander byproduct from coal burning electrical electric power vegetation; floor slag, a byproduct of iron and steel producing; and silica fume, a squander byproduct through the manufacture of silicon or ferro-silicon steel. A few of https://kenwood-chef-xl-tilbeh-r26824.dgbloggers.com/36286242/the-ultimate-guide-to-concrete-reinforced-beam