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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Self-Consolidating High-Strength Concrete Optimization by Mixture Design Method
Author(s): Ozlem Akalin, Kadri Ulas Akay, and Bahar Sennaroglu
Publication: Materials Journal
Appears on pages(s): 357-364
Keywords: concrete mixture proportioning; high-strength concrete; self-consolidating concrete; statistical mixture design
Abstract:The demand for the combination of high-strength concrete (HSC) and self-consolidating concrete (SCC) placeability have been growing worldwide. Concrete mixture proportions for HSC and SCC have varied widely depending on many factors and sensitive interactions between components. In practice, many trial batches are often required to generate the data that enable identification of optimum mixture proportions. Statistical mixture design (SMD) methods based on experiments constitute a new application area and prove to be a useful tool in terms of providing cost-effective means of the concrete optimization. In this study, the self-consolidating HSC in the C100/115 concrete class was optimized using D-optimal design, which is the most popular because of its simple computation and because there were constraints on the eight mixture component proportions. Test results from 46 experimental runs were analyzed to reach an optimum mixture proportion. SMD methods provide a methodical scientific solution to what has, up until now, been a trial-and-error process.
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