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Stabilization of residual soil using SiO2 nanoparticles and cement


Bahmani, Sayed Hessam and Kim Huat, Bujang and Asadi, Afshin and Farzadnia, Nima (2014) Stabilization of residual soil using SiO2 nanoparticles and cement. Construction and Building Materials, 64. pp. 350-359. ISSN 0950-0618


An experimental study was performed to determine the effect of SiO2 nanoparticles on consistency, compaction, hydraulic conductivity, and compressive strength of cement-treated residual soil. Also, SEM, XRD and FTIR tests were carried out to identify the underlying mechanisms. The addition of nanoparticles was found to advantageously affect the compactability, hydraulic conductivity. Besides, addition of 0.4% nanosilica to the cement treated soil improved the compressive strength by up to 80%. XRD, FTIR and SEM test results showed that silica nanoparticles promoted the pozzolanic reaction by transforming Portlandite into calcium silicate hydrate (C–S–H) gel.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1016/j.conbuildmat.2014.04.086
Publisher: Elsevier
Keywords: Nanosilica; Cement treated residual soil; Mechanical properties; Chemical; Microstructural properties
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 11 Jan 2016 02:09
Last Modified: 11 Jan 2016 02:09
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.conbuildmat.2014.04.086
URI: http://psasir.upm.edu.my/id/eprint/35450
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