The paper deals with evaluation and comparison of the effect of two substances on reduction of concrete absorbability and increasing the durability. In four tests the effect of hydrophobic impregnation of investigated substances on various properties of test specimens was examined. The penetration depth, the rate of water absorption and alkali resistance, drying ratio and weight loss after freeze-and-thaw cycles in sodium chloride solution were the followed parameters. The positive effect of both substances on the final durability of concrete was confirmed.
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Sedláček et al. (2024) studied this question.
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