Study on the Preparation of Eggshell Powder as a Partial Cement Replacement in Mortar

Broneca Sibin and Ahmad Nurfaidhi Rizalman (2021) Study on the Preparation of Eggshell Powder as a Partial Cement Replacement in Mortar. International Journal of Advanced Research in Engineering Innovation, 3. pp. 43-52. ISSN 2682-8499

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Abstract

This research presents the investigation on the performance of cement mortar containing different preparation methods of eggshell powder (ESP). Four (4) types of eggshell powder (ESP) were prepared as the cement replacement, including untreated air-dried eggshell powder (UAESP), untreated oven dried eggshell powder (UOESP), treated air-dried eggshell powder (TAESP) and treated oven dried eggshell powder (TOESP). The cement mortar with water to cement ratio of 0.485 were mixed with 20% of ESP by the weight of the cement. The effects of ESP were investigated in terms of flowability, compressive strength, rate of strength development and hardened density at 7 and 28 days. Compared to untreated ESP mortar, treated ESP mortar had lower flowability, higher compressive strength, better rate of strength development, and higher density. Meanwhile, the effect between air-dried and oven dried ESP on the flowability of cement mortar is insignificant. However, it was discovered that the oven dried ESP mortar had higher compressive strength, better rate of strength development, and higher density than the air-dried ESP mortar. It can be concluded that the most suitable preparation methods of ESP to be used as cement replacement is the treated oven dried (TOESP) method.

Item Type:	Article
Keyword:	Eggshell Powder , ESP , Cement mortar , Flowability , Compressive strength , Hardened density
Subjects:	T Technology > TP Chemical technology > TP1-1185 Chemical technology > TP875-888 Cement industries
Department:	FACULTY > Faculty of Engineering
Depositing User:	NORAINI LABUK -
Date Deposited:	22 Sep 2021 08:50
Last Modified:	22 Sep 2021 08:50
URI:	https://eprints.ums.edu.my/id/eprint/30462

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