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Long-term properties of steel fibre reinforced marine concrete

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Abstract

The paper presents some results from a continuing research programme which aims to develop steel fibre reinforced concrete (sfrc) for marine applications and to investigate its durability.

A mix of proportions by weight of 1:1.5:0.86 was adopted which was reinforced with three types of steel fibres, namely, low carbon steel, corrosion resistant and melt extract. Prism specimens were cured under marine exposure, both in the laboratory and at Aberdeen beach, for up to 2000 wet-dry cycles (1250 days) and were tested at regular intervals of age. The paper presents results on long-term compressive strength, flexural strength and ductility as measured from flexural load-deflection curves. The state of fibres, with respect to corrosion, is also discussed.

The results indicate that melt extract fibres, although least effective from the mechanical strength point of view, are the most suitable for marine applications.

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Authors and Affiliations

  1. Department of Engineering, University of Aberdeen, Marischal College, Broad Street, AB9 1AS, Aberdeen, Scotland

    P. S. Mangat & K. Gurusamy

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  1. P. S. Mangat
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  2. K. Gurusamy
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Mangat, P.S., Gurusamy, K. Long-term properties of steel fibre reinforced marine concrete. Materials and Structures 20, 273–282 (1987). https://doi.org/10.1007/BF02485924

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