Prediction of the Chloride Ion Diffusivity of a Concrete Based on Mixture Parameters


Please supply the following parameters (defaults provided)

w/c ratio Recommended range of 0.3 to 0.5

Silica fume addition (mass % of cement) Recommended range of 0 % to 10 %

Volume fraction of Aggregate % Recommended range of 62 % to 70 %

Degree of Hydration Recommended range of 0.6 to 0.9



Papers on the modelling techniques used to estimate D are 
available online by clicking on the title in the following 
reference:
Bentz, D.P., Influence of Silica Fume on Diffusivity in Cement-Based Materials II. Computer Modeling of Concrete Diffusivity , Cement and Concrete Research, 30 (7), 1121-1129, 2000.

Bentz, D.P., Detwiler, R.J., Garboczi, E.J., Halamickova, P., and Schwartz, L.M., Multi-Scale Modelling of the Diffusivity of Mortar and Concrete , RILEM International Conference on Chloride Intrusion into Concrete, 1995.

Bentz, D.P., Garboczi, E.J., and Lagergren, E.S., Multi-Scale Microstructural Modeling of Concrete Diffusivity: Identification of Significant Variables , Cement, Concrete, and Aggregates, 20 (1), 129-139, 1998.

Click here to view the database of experimental diffusivities.


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