Mechanical properties of concrete containing untreated palm oil fuel ash and egg shell powder

Abdul Ghaffar, Fatin Shafirah and Mohd Zuki, S. S. and Shahidan, S. and Mohamed Nazri, Fadzli and Abdul Rahim, Mustaqqim and Mohammad Azmi, Mohamad Azim and Abdul Rahman, Norashidah and W. Ibrahim, M. H. (2021) Mechanical properties of concrete containing untreated palm oil fuel ash and egg shell powder. In: Proceedings of the Sustainable Concrete Materials and Structures in Construction 2020. Springer, pp. 259-270.

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This study aims to use two (2) waste products, namely Palm Oil Fuel Ash (POFA) and Egg Shell Powder (ESP) as cement replacement in concrete. This is because the properties of POFA and ESP are similar to the properties of cement. The objective of this study is to determine the mechanical properties (compressive strength and tensile strength) of concrete containing POFA and ESP as cement replacement. With both properties known, the optimum percentage of POFA and ESP as cement replacement can then be determined. The percentage of replacement of POFA was fixed at 20%, however the percentages of ESP varied from 0 to 20%. Six 100 � 100 � 100 mm cubes and six 100 � 200 mm cylinders were prepared for each variation of percentages. The cubes and cylinders were tested for compressive and tensile strength after 7 and 28 days of water curing. Generally, as the percentages of ESP increased, the workability, compressive strength and tensile strength of the concrete sample decreased. In conclusion, the combination of POFA and ESP as cement replacement in concrete is only able to achieved 76% of targeted strength.

Item Type: Book Section
Uncontrolled Keywords: Alm oil fuel ash; Egg shell powder; Green concrete; Sustainable concrete
Subjects: T Technology > TH Building construction > TH4021-4977 Buildings: Construction with reference to use. Including public buildings, dwellings
Divisions: Faculty of Civil Engineering and Built Environment > Department of Civil Engineering : Building and Construction Engineering
Depositing User: Mr. Abdul Rahim Mat Radzuan
Date Deposited: 12 Jan 2022 06:32
Last Modified: 12 Jan 2022 06:32

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