2020
DOI: 10.36629/2686-9896-2020-2018-1-95-96
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Effect of Quantity of Silica Fume on the Coefficients of Constructive Quality Fine-Grained Concrete and Structural Foam Concrete

Abstract: The article presents the coefficients of the constructive quality of fine-grained concrete and structural foam concrete with different percentages of micro-silica in the mixture.

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“…In [19,20,42], the compressive strength decreased to 25% and the density decreased to 7%; the indicator of CCQ also decreased. In [65], the values of the CCQ varies from 0.00989 to 0.01950 for fine-grained concrete depending on the cement type and the amount of microsilica added, which is comparable with the CCQ values in the current study. In [66], the authors managed to increase the CCQ of lightweight concrete from 0.0252 to 0.0331, which exceeds the CCQ values in the current study.…”
Section: Analysis Of the Microstructure Of Concrete Samplessupporting
confidence: 88%
“…In [19,20,42], the compressive strength decreased to 25% and the density decreased to 7%; the indicator of CCQ also decreased. In [65], the values of the CCQ varies from 0.00989 to 0.01950 for fine-grained concrete depending on the cement type and the amount of microsilica added, which is comparable with the CCQ values in the current study. In [66], the authors managed to increase the CCQ of lightweight concrete from 0.0252 to 0.0331, which exceeds the CCQ values in the current study.…”
Section: Analysis Of the Microstructure Of Concrete Samplessupporting
confidence: 88%