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Development of Geopolymer Concrete with Mixing Condition

 Development of Geopolymer Concrete with Mixing Condition
Author(s): , , , ,
Presented at IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009, published in , pp. 32-41
DOI: 10.2749/222137809796078216
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This study investigated the strength development of cementless geopolymer concrete, which used ground granulated blast furnace slag (GGBS) as a source material, based on the mix proportions for alk...
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Bibliographic Details

Author(s):




Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009
Published in:
Page(s): 32-41 Total no. of pages: 8
Page(s): 32-41
Total no. of pages: 8
Year: 2009
DOI: 10.2749/222137809796078216
Abstract:

This study investigated the strength development of cementless geopolymer concrete, which used ground granulated blast furnace slag (GGBS) as a source material, based on the mix proportions for alkali activated (AA) mortar from previous research. Cementless geopolymer concrete exhibited excellent early strength development, and the strength was about 1.5 to 3 times higher than ordinary Portland cement (OPC) at age 1 and 3days. As strength property with mixing condition, the compressive strength was higher as water-to-binder ratio (W/B) was lower. Although the early strength was higher as the value of alkali quality coefficient QA was higher, the relationship did not continue in the long-term age. The equation proposed from investigation of AA mortar was applied to cementless geopolymer concrete with a slight modification and without additional variable analysis process, and the compressive strength predicted by this modified equation at 28 days corresponded well with experimental results.

Keywords:
Ground Granulated Blast Furnace Slag cementless geopolymer concrete alkali quality coefficient mixing condition strength property