Experimental Investigation On Self Compacting Concrete By Using Mineral Additives

Civil Engineering

Self−compacting concrete is one of "the most revolutionary developments" in concrete research; this concrete is able to flow and to fill the most restacked places of the form work without vibration. There are several methods for testing its properties in the fresh state: the most frequently used are Slump−flow test, L−box, U-box and V−funnel. This work presents properties of self−compacting concrete, mixed with different type’s additives: fly ash, micro silica, metakaolin. So we added admixture ac-hypercrete and ac-viscocrete about 0.5% and 0.2% of total cementatious content in every mix thereafter. The compressive strength carried in the compressive testing machine. The additions of fly ash were 20%, 25%, 30% and 35% of concrete. It was seen that increase the percentage of fly ash resulted in the decrease of compressive strength.

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