Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 96, Issue -, Pages 20-28Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2015.07.181
Keywords
Graphene oxide; Graphene oxide encapsulated silica fume; Cement; Rheological properties
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Funding
- National High Technology Research and Development Program of China [2012AA030303]
- Basic Research Key Program of Shanghai [12JC1408600]
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The effects of graphene oxide (GO), silica fume (SF) and graphene oxide encapsulated silica fume (GOSF) on the rheological properties of cement pastes were investigated. It was found that the addition of GO into the cement caused a noticeable reduction in fluidity and increased rheological parameters. However, GOSF pastes had better fluidity and lower rheological parameters at a same dosage of SF, indicating that the addition of GO lowers the rheological parameters. A possible mechanism was proposed to explain the different effects of GO on cement pastes. The research provides a pathway to utilizing GO in cement based materials. (C) 2015 Elsevier Ltd. All rights reserved.
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