Preprint Article Version 1 This version is not peer-reviewed

Relationship between Pore Structure and Chloride Ion Diffusivity in Cementitious Materials

Version 1 : Received: 19 December 2018 / Approved: 20 December 2018 / Online: 20 December 2018 (11:35:37 CET)

How to cite: Sakai, Y. Relationship between Pore Structure and Chloride Ion Diffusivity in Cementitious Materials. Preprints 2018, 2018120248 (doi: 10.20944/preprints201812.0248.v1). Sakai, Y. Relationship between Pore Structure and Chloride Ion Diffusivity in Cementitious Materials. Preprints 2018, 2018120248 (doi: 10.20944/preprints201812.0248.v1).

Abstract

In this study, literature on pore structure and chloride ion diffusivity was collected to investigate the correlation of pore structure indicators with diffusivity. Good correlation between total porosity and chloride ion diffusivity was found when the samples did not contain admixture materials and diffusion test was conducted without acceleration. Pore diameter indicators did not correlate with diffusivity. The diffusivity of cement paste was reduced by admixture materials compared to that without admixture materials even if the total porosity is the same. On the other hand, the diffusivity of concrete was not reduced by admixture materials.

Subject Areas

cementitious material, pore structure, chloride ion, diffusivity, admixture material

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