The effectiveness of palm oil fuel ash cement paste to control degradation in ammonium nitrate solution

Tasnim, Sadia and M. E, Rahman and A, Raudhah and Doh, Shu Ing (2020) The effectiveness of palm oil fuel ash cement paste to control degradation in ammonium nitrate solution. In: 3rd National Conference on Wind and Earthquake Engineering, NCWE 2019 and International Seminar on Sustainable Construction Engineering, ISCCE 2019 , 12-13 July 2019 , Kuala Lumpur. pp. 1-8., 712 (1). ISSN 1757-8981

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This paper presents the use of treated palm oil fuel ash (POFA) as a pozzolanic material in modified cement paste to control degradation in ammonium nitrate environment. The POFA used in this study had a mean diameter of 8.7μm. The treated POFA was used to replace cement in different percentage of 0%, 10%, 20% and 30% with a constant water to cement ratio of 0.4. 50mm cement cubes was prepared for mechanical, durability and micro-structural test. Mechanical test consisted of the compression strength test and durability test consisted of the Volume of Permeable Voids Test (VPV). Meanwhile, micro-structural test consisted of the Thermo-gravimetric analysis (TGA). After 28 days of full water curing, the 50mm cubes samples were immersed in 20% ammonium nitrate solution until 90 days. Based on the test results, it was observed that, cement cubes replaced with 20% POFA had good resistance against ammonium nitrate solution. However, in order to improve the current study, a number of recommendations had been suggested.

Item Type: Conference or Workshop Item (Speech)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Palm oil fuel ash (POFA); Cement; Concrete
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Faculty/Division: College of Engineering
Faculty of Civil Engineering Technology
Depositing User: Dr. Doh Shu Ing
Date Deposited: 27 Oct 2021 07:05
Last Modified: 27 Oct 2021 07:05
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