Geopolymer concrete research by using Na2sio3 or k2sio3 powder
Dear Nandhini,
Genuine geopolymerization cannot be obtained using reagents in powder form, only Alkali activated materials can be done in that way, but AAM aren’t polymers.
Check at the site of Geopolymer Institute where professor Davidovits explains very well how to proceed: www.geopolymer.org
Industrially speaking Geopolymerization process needs 2 components way to obtain a totally reacted binder ,then ,depending on the aggregate curve (can be whatever material even from recycled sources) you use, several types of GP concrete can be achieved.
Alkali activated concrete is still hydraulic material but very less stable under water immersion, so with lower durability if compared to full hydraulic Portland cement concrete or if compared to fully Geopolymerized concrete, that develops almost the same properties at the different types of curing.
Best regards
Alex Reggiani
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