Of Industrial Waste-Red Mud in the Production of Self Compacting Concrete

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Of Industrial Waste-Red Mud In The Production Of Self Compacting Concrete

Of Industrial Waste-Red Mud in the Production of Self Compacting Concrete

Abstract

Of Industrial Waste-Red Mud In The Production Of Self Compacting Concrete Red mud is an undisposed industrial waste in Bayer’s process during Bauxite alumina extraction. Undisposed dry / wet red mud waste accumulation of variant mineralogy pollutes air, soil, surface / ground water and vegetation.

Deterioration of the environment and its ecology has caused concern for the environment surrounding the Alumina industry. In the construction industry, the efficiency of the use of red mud by partial replacement of cement and coarse aggregates has brought revolution in research and development over the last ten years.

Engineers and scientists have conducted tests to determine the properties and mechanical strengths by mixing cement with red mud, fly ash and other admixtures in different proportions.

Self-compacting concrete (SCC) is an innovative concrete that does not require vibration for placing and compacting. It can flow under its own weight, completely filling the formwork and achieving full compaction even in the presence of congested reinforcement. Dense, homogeneous, the hardened concrete has the same engineering properties and durability as traditional vibrated concrete. There is a huge amount of red mud and foundry waste sand created due to industrialization. Facing a lot more foundry waste problem.

Conclusion

The concrete obtained is highly compact with smaller quantities of voids leading to higher strength, increased flow and self-compacting. The concrete has a very good early strength (7 days) in a higher percentage of red mud, but the rate of growth slows down as replacement in RM increases. Increasing red mud concrete flexural strength is relatively more than the compressive strength. Although the optimum replacement for achieving desired compressive strength is 20 percent, the flexural strength can be even more than 40 percent.This is the cutting edge in the direction of achieving concrete strength by using environmentally alarming waste red mud to convert as eco-friendly self-compacting concrete.