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Digitized Direct Simulation Model of the Microstructural Development of Cement Paste

Published online by Cambridge University Press:  28 February 2011

Dale P. Bentz  and
Edward J. Garboczi
Dale P. Bentz
Affiliation:
National Institute of Standards and Technology Building Materials Division, 226/B348 Gaithersburg, Maryland 20899
Edward J. Garboczi
Affiliation:
National Institute of Standards and Technology Building Materials Division, 226/B348 Gaithersburg, Maryland 20899
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Abstract

The complex microstructure of hardened cement paste is produced by hydration reactions between cement particles and the water in which they are suspended. In recent years, algorithms like the diffusion-limited aggregation (DLA) and Eden models have demonstrated that simple growth rules can result in complex aggregated structures. The model described in this paper simulates, via simplified growth rules, the microstructural development ofhydrating cement paste. This model has similarities to DLA, but with the additional novel features of dissolution of solid particles, and a free-space nucleation probability. The percolation aspects and transport properties of the model's pore space are computed and discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 195: Symposium S – Physical Phenomena in Granular Materials , 1990 , 523
Copyright
Copyright © Materials Research Society 1990

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References

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