Interaction Concrete with Acidic Fluids

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Abstract:

The recent years studies show, that almost all known building materials are exposed to biological damages, including artificial ones created by man, such as concrete. This largely substances. Currently, the aim of investigating the concrete biological stability in aggressive media and the research for effective ways to improve the biological resistance of concrete structures, are extremely important. In this work were studied the dependence of the concrete strength on the duration of exposure to different concentrations of sulfuric acid : 1-5% , 2-15% , 3-30 % , 4-50 % , 5-70 % , and also the dependence of the polymer mass content on the duration of storage in sulfuric different acid concentrations : 5.1 % , 2-15 % , 3-30 % , 4-50 % , 5-70 %. A method for determining the amount of reacted acid was proposed.

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