Research Article | OPEN ACCESS
Short Term Investigation on Sulphate Resistance of Oil Palm Shell Lightweight Aggregate Concrete Containing Palm Oil Fuel Ash as Partial Cement Replacement
K. Muthusamy and N.A. Zamri
Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Kuantan, Pahang
Research Journal of Applied Sciences, Engineering and Technology 2015 1:91-94
Received: March ‎3, ‎2015 | Accepted: March ‎20, ‎2015 | Published: September 05, 2015
Abstract
This research aims to produce an environmental friendly oil palm shell lightweight aggregate concrete containing palm oil fuel ash of good strength and durability against sulphate attack which is suitable to be applied in construction industry. This study discusses the performance of oil palm shell lightweight aggregate concrete containing palm oil fuel ash as partial cement replacement in sulphate environment. Concrete cubes produced using ranges of palm oil fuel ash from 0 to 40% were water cured for 28 days before tested for determination of compressive strength. The compressive strength test was conducted in accordance to BS EN 12390:3. Sulphate resistance test was conducted on plain specimen and mix containing 20% POFA which strength performance is the best. Both specimens were immersed in sodium sulphate solution for 45 weeks. The results indicate integration of suitable percentage of palm oil fuel ash enhances the compressive strength and sulphate resistance of oil palm shell lightweight aggregate concrete. Inclusion of this ash consumes calcium hydroxide through pozzolanic reaction generating secondary calcium silicate hydrate gel thus assisting the concrete to be denser, stronger and more resistance to sulphate attack compared to plain specimen.
Keywords:
Lightweight aggregate concrete, oil palm shell, palm oil fuel ash, partial cement replacement, sulphate resistance,
References
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Direct Link
- Muthusamy, K. and N.A. Zamri, 2014. Exploratory study of palm oil fuel ash as partial cement replacement in Oil Palm Shell (OPS) lightweight aggregate concrete. Res. J. Appl. Sci. Eng. Tech., 8: 150-152.
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Competing interests
The authors have no competing interests.
Open Access Policy
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Copyright
The authors have no competing interests.
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