Paper Titles
Influence of Silica Fume on the Performance of PALC
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Analysis on the Pozzolanic Effects of Phosphorus Slag Powder in Concrete
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Influence of Cement Particle Size Distribution on Strength of Hardened Cement Paste
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A Calculation Method for Packing Density of Powder in Paste with Continuous Grain Size Distribution
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Ultrasound In Situ Testing of early Hydration Process of Supplementary Cementitious Pastes
p.132
Influence of Mineralogical Origin of Limestone Powder on the Performance of Complex Binder Material
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Performance of Compound Cementitious Material Compounded with Clinker and Limestone Powder and Coal Ash
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Ultrasound In Situ Testing of early Hydration Process of Supplementary Cementitious Pastes

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Abstract:

The early hydration process was investigated using ultrasonic monitoring apparatus for pastes made with various mineral admixtures: silica fume (4%, 13%), slag (10%, 30%, 50%, 70%), and fly ash (10%, 30%, 50%). The influence of water to binder ratio (0.23, 0.35 and 0.53) was also studied. The results show that the hydration rate of cementitious material is obviously accelerated with decreasing in water to cement ratio and Silica fume addition, while the reverse phenomenon is observed when fly ash and slag are incorporated.

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Periodical:

Key Engineering Materials (Volume 477)

Pages:

132-135

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.477.132

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Online since:

April 2011

Authors:

Zhi Yong Liu, Yun Sheng Zhang, Guo Wen Sun, Qian Jiang, Wei Wei Zhu

Keywords:

Cement Paste, Mineral Admixture, Ultrasonic Monitoring

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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