Issues

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2018

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vol. 16 /

Issue 1

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О. V. Sumariuk, V. F. Romankevich, Yu. T. Roman, І. M. Fodchuk, and V. M. Tkach
«Concrete Composites of High Structural Strength and Density Modified by a Complex of Fine-Dispersed Additives Based on Nanosilica and Metakaolin»
117–128 (2018)

PACS numbers: 61.05.cp, 62.20.-x, 62.23.Pq, 68.37.Hk, 81.05.Rm, 81.20.Ev, 83.80.Ab

Analysis of the structure formation of concrete composites, compressive strength of which exceeds 115 MPa, and a quantitative analysis of their qualitative composition and hydration products by means of X-ray diffraction, X-ray spectral analysis, and electron microscopy. The main impacts of the complex of various nanofillers affecting both the physicomechanical parameters and the formation of a dense cement-stone structure, which mainly includes calcium hydrosilicates, calcium silicate hydroaluminates and hydroaluminates of various basicities, are studied.

Keywords: concrete, ultrafine modifiers, nanosilica, metakaolin, X-ray and X-ray spectral analyses, raster electron microscopy

https://doi.org/10.15407/nnn.16.01.117

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