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- Title
Chloride Diffusion Modeling in Pozzolanic Concrete in Marine Site.
- Authors
Farahani, Atiye; Taghaddos, Hosein; Shekarchi, Mohammad
- Abstract
In this paper, an empirical model is developed for predicting the chloride diffusion coefficient for silica fume, metakaolin, zeolite, and portland cement (PC) concretes under long-term exposure in the splash zone of Qeshm Island, Iran. All investigations are based on 12 concrete mixture designs exposed to seawater for a maximum period of 50 months. The empirical model is developed by applying regression analysis based on Fick's Second Diffusion Law on the experimental results and those are compared with previous studies in this area. These comparisons indicate that the predicted chloride diffusion coefficient level is within a ±25% error margin in the specimens.
- Subjects
CONCRETE testing; SILICA fume; PORTLAND cement; REGRESSION analysis; CIVIL engineering
- Publication
ACI Materials Journal, 2018, Vol 115, Issue 4, p509
- ISSN
0889-325X
- Publication type
Article
- DOI
10.14359/51702185