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Liquid Penetration Depth and Strength of Concretes Modified with Polymer Admixtures Under the Action of Crude-Oil Products

机译:原油制品作用下聚合物掺合料改性混凝土的液体渗透深度和强度

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摘要

In the present article, the research results of concretes modified with a polymer dispersion of vinyl-benzene and acrylic (PC1) and with a styrene–butadiene dispersion (PC2) are discussed. Concretes were exposed to diesel, non-ethylated fuel, and the standard mixture of light liquids for 1000 h. Concretes modified with polymer dispersions, especially with the styrene–butadiene dispersion (PC2), indicated a smaller degree of liquid penetration into the depth of samples compared to the control concrete. The compressive strength for tested concretes, determined after 1000 h of storage in crude-oil products, in comparison to the strength of samples stored in de-mineralized water was significantly decreased, with the maximum differences equal to 12% for PC2 concrete.
机译:在本文中,讨论了用乙烯基苯和丙烯酸的聚合物分散体(PC1)和苯乙烯-丁二烯分散体(PC2)改性的混凝土的研究结果。混凝土暴露于柴油,非乙基化燃料和轻质液体的标准混合物中1000小时。与对照混凝土相比,用聚合物分散体,尤其是苯乙烯-丁二烯分散体(PC2)改性的混凝土表明,液体渗入样品深度的程度较小。与储存在软化水中的样品的强度相比,在原油产品中储存1000小时后确定的被测混凝土的抗压强度显着降低,PC2混凝土的最大差值等于12%。

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