Application of Pozzolan as Materials of Geopolymer Paste

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This research use metakaolin and clay containing amorphous silica and alumina after calcination at 700°C. Mechanical properties and fire resistance of geopolymer paste increase as the ratio of silica to alumina. Mix design composition on this research based on the ratio of silica to alumina. The ratio of silica to alumina for metakaolin paste are 1.4 and 1.8. While for clay paste the ratio that used are 2.8 and 3.2. Na2SiO3 and NaOH with 10 M and 8 M were used as alkali activator at this research. Based on analysis the effect of increasing the ratio of silica to alumina increase fire resistance ability for both metakaolin and clay. However initial compressive strength is effected not only by ratio of silica to alumina but also the ratio of water to solid and SiO2/Na2O. The compressive strength decrease as the ratio of water to solid increases. Meanwhile compressive strength increase as the ratio of SiO2/Na2O increase.

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Edited by:

Januarti Jaya Ekaputri and Antoni

Pages:

111-117

Citation:

D. N. D. Triani et al., "Application of Pozzolan as Materials of Geopolymer Paste", Materials Science Forum, Vol. 841, pp. 111-117, 2016

Online since:

January 2016

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$38.00

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