Strength and drying shrinkage properties of self-compacting concretes incorporating multi-system blended mineral admixtures |
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| Affiliation: | 1. Department of Civil Engineering, Gaziantep University, 27310 Gaziantep, Turkey;2. Department of Civil Engineering, Mustafa Kemal University, Iskenderun, Hatay, Turkey;1. State Key Laboratory of Silicate Material for Architecture, Luoshi Road 122, Wuhan 430070, PR China;2. School of Science, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, PR China;1. Department of Civil Engineering, Gaziantep University, 27310 Gaziantep, Turkey;2. Department of Civil Engineering, Boğaziçi University, 34342 Bebek, İstanbul, Turkey;1. Civil Engineering Department, Gaziantep University, 27310 Gaziantep, Turkey;2. Civil Engineering Department, Salahaddin University, Erbil, Iraq;3. Civil Engineering Department, Hasan Kalyoncu University, 27410 Gaziantep, Turkey |
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| Abstract: | Drying shrinkage can be a major reason for the deterioration of concrete structures. The contraction of the material is normally hindered by either internal or external restraints so that tensile stresses are induced. These stresses may exceed the tensile strength and cause concrete to crack. The present study investigated compressive strength and particularly drying shrinkage properties of self-compacting concretes containing binary, ternary, and quaternary blends of Portland cement, fly ash (FA), ground granulated blast furnace slag (GGBFS), silica fume (SF), and metakaolin (MK). For this purpose, a total of 65 self-compacting concrete (SCC) mixtures were prepared at two different water to binder ratios. It was observed that drying shrinkage lessened with the use of FA, GGBFS, and MK while incorporation of SF increased the drying shrinkage. |
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