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691.32:620.193 (1) |
Building materials. Building components (60) |
Materials testing. Commercial materials. Power stations. Economics of energy (680) |
SM ISO690:2012 ELEȚCHIH, Albina. Structural parameters of concrete corrosion resistance. In: Journal of Engineering Sciences, 2021, vol. 28, nr. 4, pp. 133-143. ISSN 2587-3474. DOI: https://doi.org/10.52326/jes.utm.2021.28(4).14 |
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Journal of Engineering Sciences | ||||||
Volumul 28, Numărul 4 / 2021 / ISSN 2587-3474 /ISSNe 2587-3482 | ||||||
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DOI:https://doi.org/10.52326/jes.utm.2021.28(4).14 | ||||||
CZU: 691.32:620.193 | ||||||
Pag. 133-143 | ||||||
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This article describes the problem of corrosion of concrete at the enterprises of the wine and fruit and vegetable industry in Moldova, the kind of organic acids that destroy concrete are considered. Such a specific type of chemical corrosion as leaching is also considered. The reaction of the influence of malic acid on concrete is reflected, as a result of which readily soluble calcium malic acid is formed. The structural parameter of corrosion resistance to chemical corrosion has been studied. The formula for the corrosion resistance of concrete is derived and explained. The structural parameter of resistance to chemical corrosion is investigated on various types of concrete. The formula for coefficient resistance of concrete to chemical corrosion is derived. Also, two dependencies are displayed: Dependence of the coefficient of resistance of concrete to chemical corrosion on the volume of cement stone; Dependence of the coefficient of concrete resistance to leaching corrosion on the structural parameter. |
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Cuvinte-cheie corrosion destruction of concrete, calcium hydroxide, coefficient of resistance, parameter of concrete corrosion resistance, volume of the modified cement stone, structural parameter of leaching corrosion, the porosity of the 1st and 2nd groups, distrugerea betonului la coroziune, hidroxid de calciu, coeficientul de rezistență, parametrul de rezistență la coroziune a betonului, volumul pietrei de ciment modificate, parametrul structural al coroziunii prin levigare, porozitatea grupelor 1 și 2 |
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