Performance of fly ash based geopolymer concrete at high temperature

Nowadays the demand for cement concrete based on Portland cement as a construction material is on the increase day by day. The demand of concrete would increase in the future due to increase in infrastructure developments. The production of Portland cement will produce CO 2 gases that release to t...

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Main Author: Suhaimi , Ahmad
Format: Undergraduates Project Papers
Language:English
Published: 2013
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Online Access:http://umpir.ump.edu.my/id/eprint/10829/1/SUHAIMI%20BIN%20AHMAD.PDF
http://umpir.ump.edu.my/id/eprint/10829/
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Institution: Universiti Malaysia Pahang
Language: English
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spelling my.ump.umpir.108292021-07-27T04:15:06Z http://umpir.ump.edu.my/id/eprint/10829/ Performance of fly ash based geopolymer concrete at high temperature Suhaimi , Ahmad TA Engineering (General). Civil engineering (General) Nowadays the demand for cement concrete based on Portland cement as a construction material is on the increase day by day. The demand of concrete would increase in the future due to increase in infrastructure developments. The production of Portland cement will produce CO 2 gases that release to the atmosphere which causing the global warming of the earth. The new material that calls fly ash based geopolymer concrete which does not need Portland cement as a binder. The Portland cement is replaced by fly ash that rich with silica and alumina. Because the ceramic—like properties of the geopolymer it believed that can provide good fire resistance. This paper is show the result of study on the performance of fly ash based geopolymer concrete when expose to high temperature in term of compressive strength and their porosity. Sodium silicate (Na2 SiO 3 ) and sodium hydroxide (NaOH) solution is act as an activator solution in the fly ash based geopolymer concrete. Concrete sample were cured in the oven at 60°C for 24 hours. After curing the sample were placed at room temperature until test on day 1 day 7 and day 28 for the control. For the research sample it will expose to the difference temperature (100°C, 200°C, 300°C, and 400°C) and difference time (15 minutes, 30 minutes and 60 minutes) at day 28 before testing is conducted. From the research, sample geopolymer concrete was exposed to temperature have high minutes, 45 compressive strength. Porosity result has shown the different trend from the usual result of porosity. The value of porosity is higher when exposed where the compressive strength also higher. Keywords: Geopolymer, Fly ash, elevated temperature, strength, aggregate, concrete 2013-06 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/10829/1/SUHAIMI%20BIN%20AHMAD.PDF Suhaimi , Ahmad (2013) Performance of fly ash based geopolymer concrete at high temperature. Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Suhaimi , Ahmad
Performance of fly ash based geopolymer concrete at high temperature
description Nowadays the demand for cement concrete based on Portland cement as a construction material is on the increase day by day. The demand of concrete would increase in the future due to increase in infrastructure developments. The production of Portland cement will produce CO 2 gases that release to the atmosphere which causing the global warming of the earth. The new material that calls fly ash based geopolymer concrete which does not need Portland cement as a binder. The Portland cement is replaced by fly ash that rich with silica and alumina. Because the ceramic—like properties of the geopolymer it believed that can provide good fire resistance. This paper is show the result of study on the performance of fly ash based geopolymer concrete when expose to high temperature in term of compressive strength and their porosity. Sodium silicate (Na2 SiO 3 ) and sodium hydroxide (NaOH) solution is act as an activator solution in the fly ash based geopolymer concrete. Concrete sample were cured in the oven at 60°C for 24 hours. After curing the sample were placed at room temperature until test on day 1 day 7 and day 28 for the control. For the research sample it will expose to the difference temperature (100°C, 200°C, 300°C, and 400°C) and difference time (15 minutes, 30 minutes and 60 minutes) at day 28 before testing is conducted. From the research, sample geopolymer concrete was exposed to temperature have high minutes, 45 compressive strength. Porosity result has shown the different trend from the usual result of porosity. The value of porosity is higher when exposed where the compressive strength also higher. Keywords: Geopolymer, Fly ash, elevated temperature, strength, aggregate, concrete
format Undergraduates Project Papers
author Suhaimi , Ahmad
author_facet Suhaimi , Ahmad
author_sort Suhaimi , Ahmad
title Performance of fly ash based geopolymer concrete at high temperature
title_short Performance of fly ash based geopolymer concrete at high temperature
title_full Performance of fly ash based geopolymer concrete at high temperature
title_fullStr Performance of fly ash based geopolymer concrete at high temperature
title_full_unstemmed Performance of fly ash based geopolymer concrete at high temperature
title_sort performance of fly ash based geopolymer concrete at high temperature
publishDate 2013
url http://umpir.ump.edu.my/id/eprint/10829/1/SUHAIMI%20BIN%20AHMAD.PDF
http://umpir.ump.edu.my/id/eprint/10829/
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