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- Title
A Summary of Factors Affecting Concrete Salt-Scaling Performance.
- Authors
Amini, Kamran; Cetin, Kristen; Ceylan, Halil; Taylor, Peter C.
- Abstract
This paper compiles results from three different laboratory studies and employs multivariate regression analyses to model the effect of mixture parameters and concrete hardened properties on saltscaling performance. The correlations between concrete hardened properties and mixture proportions were also studied. The modeled mixture parameters included water-cementitious materials ratio (w/cm), slag cement, and air content. Concrete performance was evaluated through abrasion resistance, sorptivity, compressive strength, and salt scaling tests. According to the results obtained in this study, concrete scaling performance is affected, in the order of importance, by w/cm, slag-cement replacement, and air content. In addition, concrete hardened properties, especially abrasion resistance, were found useful in making reliable salt-scaling predictions. Based on the results derived from the regression analyses and the discussions provided in the reviewed literature, recommendations are given for proportioning of concrete to obtain adequate performance with respect to compressive strength, abrasion resistance, sorptivity, and salt-scaling resistance. In addition, the relationship between concrete properties, ingredients, and effective mechanisms are investigated.
- Subjects
COMPRESSIVE strength; MULTIPLE regression analysis; REGRESSION analysis; ABRASION resistance; SLAG cement
- Publication
ACI Materials Journal, 2020, Vol 117, Issue 3, p53
- ISSN
0889-325X
- Publication type
Article
- DOI
10.14359/51724614