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The nitrogen gas tension test of concrete. Part 1: effect of boundary conditions and axial strain response

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Abstract

In this study, the surface and internal strain response of a specimen subjected to the nitrogen gas tension test was examined. The effect of the restraining force acting on the cylindrical specimen due to the rubber “O” ring seal was also determined. It was found that the effect of the restraining force was vanishingly small, and that the specimen was uniformly deformed in the axial direction. The effect of moisture content was also studied, and was found to have a considerable influence on the results. It was concluded that the concrete specimen should be considered as a two-phase system, consisting of a solid phase and a fluid phase.

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Authors and Affiliations

  1. Department of Civil and Environmental Engineering, National Defense Academy, Yokosuka, Japan

    T. Uno & K. Fujikake

  2. Department of Civil Engineering, University of British Columbia, Vancouver, BC, Canada

    S. Mindess & H. Xu

Authors
  1. T. Uno
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  2. K. Fujikake
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  3. S. Mindess
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  4. H. Xu
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Correspondence to S. Mindess.

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Uno, T., Fujikake, K., Mindess, S. et al. The nitrogen gas tension test of concrete. Part 1: effect of boundary conditions and axial strain response. Mater Struct 44, 857–864 (2011). https://doi.org/10.1617/s11527-010-9672-y

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  • DOI: https://doi.org/10.1617/s11527-010-9672-y

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