Journal of Materials Science

, Volume 54, Issue 6, pp 4680–4700 | Cite as

Modeling the evolved microstructure of cement pastes governed by diffusion through barrier shells of C–S–H

  • W. Zhou
  • L. Duan
  • S. W. TangEmail author
  • E. Chen
  • A. Hanif


A microstructure model combined with diffusion-based mechanism is reconstructed. The objective is to propose a model that could describe the long-term microstructure evolution driven by certain physical mechanisms. With modifications in parametric control, the introduced kinetics is extended to directly consider the particle size distribution (PSD) of cement (alite). The particle impingement is analyzed for the effects of PSD and water-to-cement ratio (w/c ratio). The variations of C–S–H bulk density and hydrates distribution under different temperature are explored in the microstructural modeling. Numerical results for effects of PSD, w/c ratio, temperature, as well as the ambient humidity are obtained and compared with experimental results. Validations especially for early hydration prove that the current model could capture characteristics regarding hydration and evolved microstructure from hours to years.



This work was supported by National Key R&D Program of China [Grant Numbers 2017YFB0310000]; National Natural Science Foundation of China [Grant Numbers 51602229]; Jiangsu Province Natural Science Foundation [Grant Numbers BK20181187]; State Key Laboratory of High Performance Civil Engineering Materials [Grant Numbers 2018CEM011].


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Water Resources and Hydropower Engineering ScienceWuhan UniversityWuhanChina
  2. 2.Suzhou Institute of Wuhan UniversitySuzhouChina
  3. 3.Department of Civil and Environment EngineeringThe Hong Kong University of Science and TechnologyKowloonHong Kong
  4. 4.Civil Engineering DepartmentMirpur University of Science and TechnologyMirpurPakistan

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