Utilization of egg shell powder & GGBS in concrete

civil engineering

During the manufacturing of cement carbon- di- oxide is released and it causes environmental pollution and global warming. To reduce the impact of carbon - di - oxide in environment, waste by products are used as admixture in this study, so that environmental pollution and natural resources consumption is reduced. Eggshell is generally thrown away as a waste. It can used as a partially replacement of cement. It contains calcium carbonate. Its usage increases the strength. Approximately 900 Kg of carbon dioxide is emitted from 1000 kg of cement manufacturing process. To reduce the impact of cement production on the atmosphere, waste byproducts were used as a blend in this study to reduce environmental pollution and resource consumption. In this study, egg shell powder is 30% (5, 10, 15, 20, 25 and 30) and GGBS is fixed at 25%. These two wastes are used in M25 grade concrete as a partial substitute for cement and determine various properties such as workability, compressive strength and Durability test.

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