Strength and chloride penetration performance of concrete using coal bottom ash as coarse and fine aggregate replacement

Zaimi, M. N. S. and Nur Farhayu, Ariffin and Sharifah Maszura, Syed Mohsin and Nor Hasanah, Abdul Shukor Lim and Fadzil, Mat Yahaya and Khairunisa, Muthusamy and Saffuan, Wan Ahmad (2021) Strength and chloride penetration performance of concrete using coal bottom ash as coarse and fine aggregate replacement. In: IOP Conference Series: Earth and Environmental Science; 4th National Conference on Wind and Earthquake Engineering, NCWE 2020 , 16 - 17 October 2020 , Putrajaya, Malaysia. pp. 1-7., 682 (012067). ISSN 1755-1315

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Since 1987, Malaysia had used coal as a product to generate electricity. One of the main or the largest power plant in Malaysia is Tanjung Bin power plant at kukup, Johor. As a coal-based power plant, tonnes of coal bottom ash had been burned every day and the waste is wasted without specific economic benefit. Other than that, the waste generated are dangerous as it involved in environmental risk such as landfill ash reservoir. Therefore, this paper presents one of the alternative ways to manage the coal waste by cooperative it into concrete. This research study focuses on strength and durability performance of the concrete containing coal bottom ash as a coarse and fine aggregates replacement. The tests conducted was workability on fresh concrete, compressive strength test and chloride penetration test in 5% sodium chloride. The results show that the concrete containing coal bottom ash has low workability compare with normal concrete without coal bottom ash. Compressive strength test with coal bottom ash resulted higher than normal concrete. In chloride solution, the concrete containing coal bottom ash replacement shows better performance compare to normal concrete. Thus, it can be concluded that by using coal bottom ash in concrete as fine and coarse aggregates replacement, the performance in term of strength and chloride resistance are better compare to normal concrete. On the other hand, by using it in concrete, the waste generated dump in landfill can be reduced.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Chloride penetration; Chloride resistance; Chloride solutions; Coal based power plants; Coarse aggregates; Durability performance; Environmental risks; Generate electricity
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Faculty/Division: Institute of Postgraduate Studies
Faculty of Civil Engineering Technology
Depositing User: Dr. Nur Farhayu Ariffin
Date Deposited: 01 Jul 2022 07:56
Last Modified: 01 Jul 2022 07:56
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