The Effect of Eggshell Powder as Partial Supplement of Ordinary Portland Cement on the Compressive Strength of Sand CreteBlocks

Authors : Abraham Commey

Volume/Issue : Volume 4 - 2019, Issue 9 - September

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The demand of cement in the building industry is on the rise since cement is a major component of mortar. The production of cement however, has been one of the major causes of global warming due to the release of greenhouse gases during its production. Various experiments have been conducted to partially replace cement in the production of concrete or sandcrete blocks using waste materials such as fly ash, cement kiln dust and many others. In this work, the effect of using egg shell powder as partial supplement of ordinary Portland cement on the compressive strength of sandcrete blocks has been investigated. Cement was replaced by egg shell powder at 5%, 10%, 15%, 20%, 25% and 30% with 0% egg shell powder as the control. The sandcrete blocks were tested for compressive strength at 7 days, 14 days and 21 days of curing. Results from the compressive strength test revealed that 15% cement replacement by egg shell powder was found to have the highest compressive strength.

Keywords : Compressive Strength, Eggshell Powder, Global Warming, Greenhouse Gases.


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