The study to develop a mix design for fixed strength and optimize proportions using a statistical model for economic concrete production

The second most popular material in the world is concrete, which has come a long way over the years. Normally Vibrated Concrete (NVC) was replaced by Self-Compacting Concrete (SCC). SCC is made up of concrete, micro silica, fine and coarse material, a superplasticizer, an agent that changes the viscosity, and micro-steel fibres with hooked ends. Fly ash is a grey by-product of burning coal. It was used in the study to test the strength and rheological properties of self-compacting concrete at the 53 Grade level. To get a fixed slump flow of 709.6 mm and a compressive strength of 57.9 MPa in M50 grade self-compacting concrete, the right mix amounts were used. The compression strength didn’t change when micro steel fibres were added until 0.4% to 5%. After that, it went down. Even after 28 days, the concrete mix with steel fibres got stronger in a straight line, with gains of 12% to 16%. The bending strength went up by 2%, 8%, and 4.17 % in mixes MA6, MA7, and MA8. The study shows how important the amount of cement is in the growth of concrete.