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INFLUENCE OF MOULD-RELEASING AGENT ON SURFACE PROPERTIES OF COLOURED CONCRETE
Abstract
Influence of different type of mould-release agent on surface properties of coloured concrete is presented in this paper. The quality of exposed concrete areas is directly affected by several factors. In addition to the most important factor, which is the influence of the outdoor environment, has the inconsiderable influence on surface properties of concrete manufacturing technology and the used material. This article is focus on roughness and colour intensity of concrete elements. Concrete samples were created in two color variations: yellow and red. Colour was obtained by measuring RGB number (Red-Green-Blue value) on several points on concrete surface. Two kind of mould?releasing agent on different chemical base were tested, (mineral oil base and silicon base). From the results, follows that the different kind of separators has impact on the colour of concrete. Measured data also show that there are differences in roughness and quality of concrete surface depending on used mould-release agents.
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References9
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