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Influence of freeze–thaw cycling on properties of cementitious systems doped with fly ash having optimized particle size distribution

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
In this study, the particle size distribution (PSD) of class F and C fly ash (FA) was optimized using theory of the Fuller-Thompson. After defining the optimal size distribution, the distribution modulus (q) of 0.4 yields the best mechanical property results. The freeze–thaw up to 300 cycles on mechanical and permeability properties of 90-day cementitious composites incorporating optimized class F and C fly ash (5, 10, 15, 20, 25, and 30% by weight of cement) were investigated. Optimized FA has improved the mechanical and permeability properties of cementitious composites under freeze–thaw cycling by ensuring a better filler effect. The cementitious composite mortars with 20% optimized class C fly ash and class F fly ash replacement yielded high compactness and better mechanical properties than the control cementitious composite mortars without any fly ash replacement after 90 days. Finding the best particle size distribution of FA providing high compactness will save cement, reduce the carbon dioxide (CO2) emission that pollutes the environment in cement production, and contribute to the economy and environment.
Rocznik
Strony
art. no. e189, 2022
Opis fizyczny
Bibliogr. 37 poz., rys., tab., wykr.
Twórcy
autor
  • Department of Civil Engineering, Kırıkkale University, 71451 Kırıkkale, Turkey
autor
  • Department of Construction Technology, Kırıkkale University, 71451 Kırıkkale, Turkey
autor
  • Department of Civil Engineering, Kırıkkale University, 71451 Kırıkkale, Turkey
autor
  • Department of Civil Engineering, Gazi University, 06560 Ankara, Turkey
Bibliografia
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  • [20] Sevim Ö, Demir İ. Physical and permeability properties of cementitious mortars having fly ash with optimized particle size distribution. Cem Concr Compos. 2019;96:266–73. https://doi.org/10.1016/j.cemconcomp.2018.11.017.
  • [21] TS EN 197–1. Cement–part 1: composition, specifications and conformity criteria for common cements. Ankara: Turkish Standard Institution; 2012.
  • [22] TS EN 196–1. Methods of testing cement–Part 1: Determination of strength. Ankara: Turkish Standard Institution; 2016.
  • [23] Fuller WB, Thompson SE. The laws of proportioning concrete. Trans Am Soc Civ Eng. 1907;33:222–98. https://doi.org/10.1061/TACEAT.0001979.
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  • [32] Uysal M, Akyuncu V. Durability performance of concrete incorporating Class F and Class C fly ashes. Constr Build Mater. 2012;34:170–8. https://doi.org/10.1016/j.conbuildmat.2012.02.075.
  • [33] Neville AM, Brooks JJ. Concrete technology. London: Longman Scientific and Technical; 1987.
  • [34] Jones R, Gatfield EN. Testing concrete by an ultrasonic pulse technique. London: DSIR Road Research Tech. Paper No. 34; 1955.
  • [35] Zhao H, Qin X, Liu J, Zhou L, Tian Q, Wang P. Pore structure characterization of early-age cement pastes blended with high-volume fly ash. Constr Build Mater. 2018;189:934–46. https://doi.org/10.1016/j.conbuildmat.2018.09.023.
  • [36] Yu Z, Ni C, Tang M, Shen X. Relationship between water permeability and pore structure of Portland cement paste blended with fly ash. Constr Build Mater. 2018;175:458–66. https://doi.org/10.1016/j.conbuildmat.2018.04.147.
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Uwagi
PL
Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-63f635cd-6fd8-4b30-95a2-681cbbce084d
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