The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer
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Trans Tech Publications
2016
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my.unimap-421892016-06-25T01:55:22Z The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer Mohd Mustafa, Al Bakri Abdullah Kamarudin, Hussin Mohammed Amjad, Hussin Khairul Nizar, Ismail Rafiza, Abdul Razak Zarina, Yahya nizar@unimap.edu.my Compressive strength Curing temperature Fly ash/alkaline activator ratio Geopolymer Na 2SiO3/NaOH ratio NaOH molarity Link to publisher's homepage at http://www.scientific.net/ Geopolymer, produced by the reaction of fly ash with an alkaline activator (mixture of Na2SiO3 and NaOH solutions), is an alternative to the use of ordinary Portland cement (OPC) in the construction industry. However, there are salient parameters that affecting the compressive strength of geopolymer. In this research, the effects of various NaOH molarities, Na 2SiO3/NaOH ratios, fly ash/alkaline activator, and curing temperature to the strength of geopolymer paste fly ash were studied. Tests were carried out on 50 x 50 x 50 mm cube geopolymer specimens. Compression tests were conducted on the seventh day of testing for all samples. The test results revealed that a 12 M NaOH solution produced the highest compressive strength for the geopolymer. The combination mass ratios of fly ash/alkaline activator and Na2SiO3/NaOH of 2.0 and 2.5, respectively, produced the highest compressive strength after seven days. Geopolymer samples cured at 60 °C produced compressive strength as high as 70 MPa. 2016-06-25T01:53:26Z 2016-06-25T01:53:26Z 2011 Article Advanced Materials Research, vol.328-330, 2011, pages 1475-1482 1022-6680 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42189 10.4028/www.scientific.net/AMR.328-330.1475 en Trans Tech Publications |
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Compressive strength Curing temperature Fly ash/alkaline activator ratio Geopolymer Na 2SiO3/NaOH ratio NaOH molarity |
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Compressive strength Curing temperature Fly ash/alkaline activator ratio Geopolymer Na 2SiO3/NaOH ratio NaOH molarity Mohd Mustafa, Al Bakri Abdullah Kamarudin, Hussin Mohammed Amjad, Hussin Khairul Nizar, Ismail Rafiza, Abdul Razak Zarina, Yahya The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer |
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Link to publisher's homepage at http://www.scientific.net/ |
| author2 |
nizar@unimap.edu.my |
| author_facet |
nizar@unimap.edu.my Mohd Mustafa, Al Bakri Abdullah Kamarudin, Hussin Mohammed Amjad, Hussin Khairul Nizar, Ismail Rafiza, Abdul Razak Zarina, Yahya |
| format |
Article |
| author |
Mohd Mustafa, Al Bakri Abdullah Kamarudin, Hussin Mohammed Amjad, Hussin Khairul Nizar, Ismail Rafiza, Abdul Razak Zarina, Yahya |
| author_sort |
Mohd Mustafa, Al Bakri Abdullah |
| title |
The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer |
| title_short |
The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer |
| title_full |
The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer |
| title_fullStr |
The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer |
| title_full_unstemmed |
The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer |
| title_sort |
relationship of naoh molarity, na2sio3/naoh ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer |
| publisher |
Trans Tech Publications |
| publishDate |
2016 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42189 |
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1643799639865950208 |