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Deformational Properties of Polymer Concrete during Long-Term Exposure to Water

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Abstract

Changes in the elastic and viscoelastic (creep) characteristics of polymer concrete and its structural components (polyester resin, unfilled or filled with diabase flour) during a long-term exposure to water at 20°C were studied. Modeling the structural changes in polymer concrete with time showed an increase in the relative volume content of pores filled with water and a decrease in that of unfilled pores. Based on the free-volume concept and the data on swelling due to moistening and shrinkage due to physical aging of the binder, a rather accurate estimate of the time-moisture reduction function for polymer concrete was obtained. The function was found to be nonmonotonic: the interval of increase was followed by an interval of decrease.

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Authors and Affiliations

  1. Institute of Polymer Mechanics, University of Latvia, Riga, LV-1006, Latvia

    K. Aniskevich & J. Jansons

  2. Central Laboratory of Physicochemical Mechanics, Sofia, Bulgaria

    J. Hristova

Authors
  1. K. Aniskevich
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  2. J. Hristova
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  3. J. Jansons
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Aniskevich, K., Hristova, J. & Jansons, J. Deformational Properties of Polymer Concrete during Long-Term Exposure to Water. Mechanics of Composite Materials 39, 111–118 (2003). https://doi.org/10.1023/A:1023401226872

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  • DOI: https://doi.org/10.1023/A:1023401226872

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