Effect of Admixtures on the Yield Stresses of Cement Pastes under High Hydrostatic Pressures
AbstractWhen cement-based materials are transported at a construction site, they undergo high pressures during the pumping process. The rheological properties of the materials under such high pressures are unknown, and estimating the workability of the materials after pumping is a complex problem. Among various influential factors on the rheology of concrete, this study investigated the effect of mineral and chemical admixtures on the high-pressure rheology. A rheometer was fabricated that could measure the rheological properties while maintaining a high pressure to simulate the pumping process. The effects of superplasticizer, silica fume, nanoclay, fly ash, or ground granulated blast furnace slag were investigated when mixed with two control cement pastes. The water-to-cement ratios were 0.35 and 0.50. View Full-Text
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Yim, H.J.; Kim, J.H.; Kwon, S.H. Effect of Admixtures on the Yield Stresses of Cement Pastes under High Hydrostatic Pressures. Materials 2016, 9, 147.
Yim HJ, Kim JH, Kwon SH. Effect of Admixtures on the Yield Stresses of Cement Pastes under High Hydrostatic Pressures. Materials. 2016; 9(3):147.Chicago/Turabian Style
Yim, Hong J.; Kim, Jae H.; Kwon, Seung H. 2016. "Effect of Admixtures on the Yield Stresses of Cement Pastes under High Hydrostatic Pressures." Materials 9, no. 3: 147.
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