Abstract
The silica fume is obtained by the reduction of high purity quartz by coal in electrolytic furnaces in the production of silicon and ferrosilicon alloys and consists of very fine spherical particles containing at least 85% of amorphous silicon dioxide. It is used as a mineral additive of type II for production of cement concretes. The paper presents results obtained from an experiment campaign. Influence parameters and their significance in the optimization of the concrete mixture composition prepared with mineral additives and admixtures in terms of the cement amount, water/binder ratio and compaction were analyzed. After obtaining satisfactory results for the usability of the foreseen silica fume, a choice of stone aggregate was conducted with respect to the stability of the concrete mixture and the strength of concrete up to 28 days. In the analysis of the experimental results, it was emphasized that the compaction grade of the concrete mixture is the primer influencer on the formation of the structure of concretes of higher strength.
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Kurtović, A., Ademović, N. (2020). Parametric Analysis of Silica Fume Effects on the High Strength Concrete Composition. In: Karabegović, I. (eds) New Technologies, Development and Application II. NT 2019. Lecture Notes in Networks and Systems, vol 76. Springer, Cham. https://doi.org/10.1007/978-3-030-18072-0_59
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DOI: https://doi.org/10.1007/978-3-030-18072-0_59
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