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Pro084-1

NUMERICAL SIMULATION OF THE EVOLUTION OF 3D MICROSTRUCTURE OF CEMENT PASTES



Author(s): Zhiyong Liu, Guojian Liu, Deqing Xie and Yunsheng Zhang
Paper category: Proceedings
Book title: Proceedings of CONSEC13 Seventh International Conference on Concrete under Severe Conditions - Environment and Loading Volume I
Editor(s): Z.J. Li, W. Sun, C.W. Miao, K.Sakai, O.E. Gjørv, N.Banthia
ISBN: 978-2-35158-124-7
e-ISBN: 978-2-35158-134-6
Publisher: RILEM Publications SARL
Publication year: 2013
Pages: 202-208
Total Pages: 961
Language : English


Abstract: The formation process of microstructure in cement pastes was firstly simulated with a numerical model CEMHYD3D. The influence of water-to –cement ratio and particles size on heat release and degree of hydration were then investigated. In addition, the mass of CH and C-S-H phases simulated have been verified by measuring values by Thermogravimetry-differential scanning calorimetry (TG-DSC) and XRD-Rietveld analysis. The results show that the simulated values are in good agreement with the available experimental data, indicating a good reliability of the CEMHYD3D model.


Online publication : 2013
Publication type : full_text
Public price (Euros) : 0.00


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