Учебники 80346
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№ 2 (17), 2018 |
DIGITAL COLORIMETRIC CONTROL OF CEMENTS WITH
APPLICATION MOBILE DEVICE
K.A. Bakhmetyev, V.E. Gridyaev, D.E. Stepanov, E.A. Khorokhordina,
O.B. Rudakov*
Voronezh State Technical University, Russian Federation 394006, Voronezh, ul. 20-letiia Oktiabria, 84
*Corresponding author: Oleg B. Rudakov, E-mail: robi57@mail.ru
The characteristics of digital colorimetry in the RGB color model were studied for Portland cement (grade CEM I 42,5 N), chalk, lime, ashes and waste galvanic production, which were used as mineral additives in cements and the blends of Portland cement with these mineral additives. The content of additives in the mixtures was varied in the range of 5-30%. The Smartphone, plastic microplates and software (Pixel Picker 1.3.0.23) for processing electronic images were used to evaluate the color settings. It is shown that digital colorimetry suitable for monitoring additives in cement, which clearly different in color settings, such as chalk, lime and active mineral additive from waste galvanic production. This colorimetric method for assessment of color of cement products is simple, expressive and cheap. It can be recommended for inclusion in the Toolkit for quality control of Portland cement.
Keywords: smartphone, digital colorimetry, the RGB color model, cement, mineral additives, quality control, identification
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. 2017. .72. №11 |
. 963-977. |
References
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119