Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire
This paper reports on the effects of simulated fire exposure on solid and low density, cellular structured geopolymers in order to assess their suitability for high temperature applications such as thermal barriers and fire resistant panels. Geopolymer mixes with designed Si:Al ratios of 2.5 were sy...
| Main Authors: | , |
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| Format: | Journal Article |
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Elsevier BV
2013
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| Online Access: | http://hdl.handle.net/20.500.11937/38512 |
| _version_ | 1848755340428967936 |
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| author | Rickard, William Van Riessen, Arie |
| author_facet | Rickard, William Van Riessen, Arie |
| author_sort | Rickard, William |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | This paper reports on the effects of simulated fire exposure on solid and low density, cellular structured geopolymers in order to assess their suitability for high temperature applications such as thermal barriers and fire resistant panels. Geopolymer mixes with designed Si:Al ratios of 2.5 were synthesised from three different class F fly ashes. Low density samples were produced by adding a small amount of metallic aluminium to the geopolymer slurry which reacted with the free NaOH to produce a cellular structure in the hardened material. Physical properties of the materials are presented as well as results from scale fire tests. An international standard fire curve (ISO 834) was used to simulate the heating conditions of a fire. Fire testing was conducted on 50 mm thick panels with an exposure region of 200 mm × 200 mm. Fire ratings of more than 90 min were achieved with water content and resistance to shrinkage cracking identified as important sample parameters. |
| first_indexed | 2025-11-14T08:54:45Z |
| format | Journal Article |
| id | curtin-20.500.11937-38512 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T08:54:45Z |
| publishDate | 2013 |
| publisher | Elsevier BV |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-385122019-02-19T04:26:47Z Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire Rickard, William Van Riessen, Arie Cellular structure Fly ash Geopolymer Fire testing Thermal analysis This paper reports on the effects of simulated fire exposure on solid and low density, cellular structured geopolymers in order to assess their suitability for high temperature applications such as thermal barriers and fire resistant panels. Geopolymer mixes with designed Si:Al ratios of 2.5 were synthesised from three different class F fly ashes. Low density samples were produced by adding a small amount of metallic aluminium to the geopolymer slurry which reacted with the free NaOH to produce a cellular structure in the hardened material. Physical properties of the materials are presented as well as results from scale fire tests. An international standard fire curve (ISO 834) was used to simulate the heating conditions of a fire. Fire testing was conducted on 50 mm thick panels with an exposure region of 200 mm × 200 mm. Fire ratings of more than 90 min were achieved with water content and resistance to shrinkage cracking identified as important sample parameters. 2013 Journal Article http://hdl.handle.net/20.500.11937/38512 10.1016/j.cemconcomp.2013.09.002 Elsevier BV restricted |
| spellingShingle | Cellular structure Fly ash Geopolymer Fire testing Thermal analysis Rickard, William Van Riessen, Arie Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire |
| title | Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire |
| title_full | Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire |
| title_fullStr | Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire |
| title_full_unstemmed | Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire |
| title_short | Performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire |
| title_sort | performance of solid and cellular structured fly ash geopolymers exposed to a simulated fire |
| topic | Cellular structure Fly ash Geopolymer Fire testing Thermal analysis |
| url | http://hdl.handle.net/20.500.11937/38512 |