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2014 (Vol. 7, Issue: 7)
Article Information:

Efficacy of Available Superplasticizers on Geopolymers

Behzad Nematollahi and Jay Sanjayan
Corresponding Author:  Behzad Nematollahi 

Key words:  Alkaline activator, fly ash, geopolymer, slag, superplasticizer, ,
Vol. 7 , (7): 1464-1468
Submitted Accepted Published
September 14, 2013 September 23, 2013 February 20, 2014

Geopolymer is a novel engineering binder with lower environmental impacts (CO2 emission, embodied energy and global warming potential) than Ordinary Portland Cement (OPC). Geopolymers can be synthesized from mixing high alkaline activators by industrial by-products such as fly ash and slag as the aluminosilicate source materials. Superplasticizers (SPs) are one of the common used admixtures added to conventional OPC concrete to improve its workability, rheology and mechanical properties. SPs are intended for use with OPC paste, mortar and concrete. The suppliers of SP do not intend them to be used in geopolymer mixes since SPs are attacked by alkaline solutions and degrade rapidly. However, some SPs can be used with geopolymer with limited effectiveness. This study presents a state of the art review of the effect of different SPs on slag and fly ash based geopolymers.
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  Cite this Reference:
Behzad Nematollahi and Jay Sanjayan, 2014. Efficacy of Available Superplasticizers on Geopolymers.  Research Journal of Applied Sciences, Engineering and Technology, 7(7): 1464-1468.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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