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- Title
Pozzolanic Activity of Diatomaceous Earth.
- Authors
Jud Sierra, Eva; Miller, Sean A.; Sakulich, Aaron R.; MacKenzie, Kenneth; Barsoum, Michel W.
- Abstract
Lime-diatomaceous earth cement pastes were fabricated at room temperature starting with a mixture of diatomaceous earth (DE), lime, and water. The cementing phase, associated with the pozzolanic reaction of the diatom skeletons with lime, was identified as calcium silicate hydrate (C-S-H) gel using X-ray diffraction, scanning electron microscopy, Fourier-transform infrared spectroscopy (FTIR), and nuclear magnetic resonance (NMR). The FTIR and NMR results revealed that the C-S-H gel is mainly composed of silica dreierketten in all lime pastes using three different types of DE.
- Subjects
DIATOMACEOUS earth; CALCIUM silicates; LIME (Minerals); EFFECT of temperature on cement; FOURIER transform infrared spectroscopy; NUCLEAR magnetic resonance; X-ray diffraction
- Publication
Journal of the American Ceramic Society, 2010, Vol 93, Issue 10, p3406
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2010.03886.x