Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical Properties
Geopolymer concrete has the potential to replace ordinary Portland cement which can reduce carbon dioxide emission to the environment. The addition of different amounts of steel fibers, as well as different types of end-shape fibers, could alter the performance of geopolymer concrete. The source of...
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doaj-2d8878ee54114d0fbd83a0d7e16f1a6e2021-03-10T00:04:15ZengMDPI AGMaterials1996-19442021-03-01141310131010.3390/ma14051310Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical PropertiesMeor Ahmad Faris0Mohd Mustafa Al Bakri Abdullah1Ratnasamy Muniandy2Mohammad Firdaus Abu Hashim3Katarzyna Błoch4Bartłomiej Jeż5Sebastian Garus6Paweł Palutkiewicz7Nurul Aida Mohd Mortar8Mohd Fathullah Ghazali9Faculty of Mechanical Engineering Technology, University Malaysia Perlis (UniMAP), Arau, Perlis 02600, MalaysiaFaculty of Chemical Engineering Technology, University Malaysia Perlis (UniMAP), Arau, Perlis 02600, MalaysiaDepartment of Civil Engineering, University Putra Malaysia, 43400 Serdang, Selangor, MalaysiaFaculty of Mechanical Engineering Technology, University Malaysia Perlis (UniMAP), Arau, Perlis 02600, MalaysiaDepartment of Physics, Częstochowa University of Technology, 69, 42-201 Częstochowa, PolandDepartment of Physics, Częstochowa University of Technology, 69, 42-201 Częstochowa, PolandFaculty of Mechanical Engineering and Computer Science, Częstochowa University of Technology, 69, 43-201 Częstochowa, PolandFaculty of Mechanical Engineering and Computer Science, Częstochowa University of Technology, 69, 43-201 Częstochowa, PolandFaculty of Chemical Engineering Technology, University Malaysia Perlis (UniMAP), Arau, Perlis 02600, MalaysiaFaculty of Mechanical Engineering Technology, University Malaysia Perlis (UniMAP), Arau, Perlis 02600, MalaysiaGeopolymer concrete has the potential to replace ordinary Portland cement which can reduce carbon dioxide emission to the environment. The addition of different amounts of steel fibers, as well as different types of end-shape fibers, could alter the performance of geopolymer concrete. The source of aluminosilicate (fly ash) used in the production of geopolymer concrete may lead to a different result. This study focuses on the comparison between Malaysian fly ash geopolymer concrete with the addition of hooked steel fibers and geopolymer concrete with the addition of straight-end steel fibers to the physical and mechanical properties. Malaysian fly ash was first characterized by x-ray fluorescence (XRF) to identify the chemical composition. The sample of steel fiber reinforced geopolymer concrete was produced by mixing fly ash, alkali activators, aggregates, and specific amounts of hook or straight steel fibers. The steel fibers addition for both types of fibers are 0%, 0.5%, 1.0%, 1.5%, and 2.0% by volume percentage. The samples were cured at room temperature. The physical properties (slump, density, and water absorption) of reinforced geopolymer concrete were studied. Meanwhile, a mechanical performance which is compressive, as well as the flexural strength was studied. The results show that the pattern in physical properties of geopolymer concrete for both types of fibers addition is almost similar where the slump is decreased with density and water absorption is increased with the increasing amount of fibers addition. However, the addition of hook steel fiber to the geopolymer concrete produced a lower slump than the addition of straight steel fibers. Meanwhile, the addition of hook steel fiber to the geopolymer concrete shows a higher density and water absorption compared to the sample with the addition of straight steel fibers. However, the difference is not significant. Besides, samples with the addition of hook steel fibers give better performance for compressive and flexural strength compared to the samples with the addition of straight steel fibers where the highest is at 1.0% of fibers addition.https://www.mdpi.com/1996-1944/14/5/1310geopolymeralkali activated materialreinforced concretesteel fiberphysical propertiesmechanical properties |
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DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Meor Ahmad Faris Mohd Mustafa Al Bakri Abdullah Ratnasamy Muniandy Mohammad Firdaus Abu Hashim Katarzyna Błoch Bartłomiej Jeż Sebastian Garus Paweł Palutkiewicz Nurul Aida Mohd Mortar Mohd Fathullah Ghazali |
spellingShingle |
Meor Ahmad Faris Mohd Mustafa Al Bakri Abdullah Ratnasamy Muniandy Mohammad Firdaus Abu Hashim Katarzyna Błoch Bartłomiej Jeż Sebastian Garus Paweł Palutkiewicz Nurul Aida Mohd Mortar Mohd Fathullah Ghazali Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical Properties Materials geopolymer alkali activated material reinforced concrete steel fiber physical properties mechanical properties |
author_facet |
Meor Ahmad Faris Mohd Mustafa Al Bakri Abdullah Ratnasamy Muniandy Mohammad Firdaus Abu Hashim Katarzyna Błoch Bartłomiej Jeż Sebastian Garus Paweł Palutkiewicz Nurul Aida Mohd Mortar Mohd Fathullah Ghazali |
author_sort |
Meor Ahmad Faris |
title |
Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical Properties |
title_short |
Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical Properties |
title_full |
Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical Properties |
title_fullStr |
Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical Properties |
title_full_unstemmed |
Comparison of Hook and Straight Steel Fibers Addition on Malaysian Fly Ash-Based Geopolymer Concrete on the Slump, Density, Water Absorption and Mechanical Properties |
title_sort |
comparison of hook and straight steel fibers addition on malaysian fly ash-based geopolymer concrete on the slump, density, water absorption and mechanical properties |
publisher |
MDPI AG |
series |
Materials |
issn |
1996-1944 |
publishDate |
2021-03-01 |
description |
Geopolymer concrete has the potential to replace ordinary Portland cement which can reduce carbon dioxide emission to the environment. The addition of different amounts of steel fibers, as well as different types of end-shape fibers, could alter the performance of geopolymer concrete. The source of aluminosilicate (fly ash) used in the production of geopolymer concrete may lead to a different result. This study focuses on the comparison between Malaysian fly ash geopolymer concrete with the addition of hooked steel fibers and geopolymer concrete with the addition of straight-end steel fibers to the physical and mechanical properties. Malaysian fly ash was first characterized by x-ray fluorescence (XRF) to identify the chemical composition. The sample of steel fiber reinforced geopolymer concrete was produced by mixing fly ash, alkali activators, aggregates, and specific amounts of hook or straight steel fibers. The steel fibers addition for both types of fibers are 0%, 0.5%, 1.0%, 1.5%, and 2.0% by volume percentage. The samples were cured at room temperature. The physical properties (slump, density, and water absorption) of reinforced geopolymer concrete were studied. Meanwhile, a mechanical performance which is compressive, as well as the flexural strength was studied. The results show that the pattern in physical properties of geopolymer concrete for both types of fibers addition is almost similar where the slump is decreased with density and water absorption is increased with the increasing amount of fibers addition. However, the addition of hook steel fiber to the geopolymer concrete produced a lower slump than the addition of straight steel fibers. Meanwhile, the addition of hook steel fiber to the geopolymer concrete shows a higher density and water absorption compared to the sample with the addition of straight steel fibers. However, the difference is not significant. Besides, samples with the addition of hook steel fibers give better performance for compressive and flexural strength compared to the samples with the addition of straight steel fibers where the highest is at 1.0% of fibers addition. |
topic |
geopolymer alkali activated material reinforced concrete steel fiber physical properties mechanical properties |
url |
https://www.mdpi.com/1996-1944/14/5/1310 |
work_keys_str_mv |
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