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Time-dependent mechanical properties of high-strength cements

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Abstract

A high-strength cement paste based on aluminous cement with the addition of water-soluble polymer was found to have a flexural strength which increased at about 12 MPa per decade increase in strain rate over the range 10−6 to 10−2 sec−1. The effect of soaking in water was to markedly reduce the strength. Swelling occurred on soaking in water for both Portland and aluminous cement-based pastes but was more gradual for the latter. Wetting swelling and drying shrinkage increased with polymer content for Portland-based pastes. Creep and stress relaxation in one type of Portland cement-based paste and in aluminous cement-based paste were markedly increased by soaking, but in a second type of Portland-based paste there was little effect. These effects are attributed to the polymer content of the pastes and its distribution in the pastes.

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Authors and Affiliations

  1. Department of Metallurgy and Science of Materials, University of Oxford, Parks Road, OX1 3PH, Oxford, UK

    C. M. Cannon & G. W. Groves

Authors
  1. C. M. Cannon
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  2. G. W. Groves
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Cannon, C.M., Groves, G.W. Time-dependent mechanical properties of high-strength cements. J Mater Sci 21, 4009–4014 (1986). https://doi.org/10.1007/BF02431643

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  • DOI: https://doi.org/10.1007/BF02431643

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