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Concrete Platforms in the North Sea and Some Related Research on Fatigue

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Ocean Space Utilization ’85

Abstract

The number of concrete platforms on the continental shelf in the North Sea is increasing steadily and has reached 15 today. Most of them are produced in Norway where the conditions are particularly advantageous for such production starting in dry dock and continuing in deep fjord. The concrete mix has gone through more faces, and strength has been increased each time. The experience, now 15 years, with concrete structures in the North Sea has been excellent.

The longtime stochastic loading makes it necessary to consider the fatigue behavior of the concrete platforms. The dynamic strain of concrete may be greater than the time dependent creep. Recent research results are applied in simplified rules for fatigue life of reinforced concrete structures. These rules are discussed.

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References

  1. Moxnes, Jan: “Offshore concrete - recent developments in concrete mix design”. Nordisk Betong 2–4, 1982.

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  2. Experience from design, fabrication and installation of concrete platforms in the North Sea. Norwegian Contractor paper 1984.

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  3. Holmen, J.O.: “Fatigue of concrete by constant and variable amplitude loading”. Bulletin 79–1, Division of Concrete Structures, NTH-Trondheim, Norway, 1979, 218 p.

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  4. Det Norske Veritas: “Rules for the Design, Construction and inspection of offshore structure”, 1977.

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Author information

Authors and Affiliations

  1. Division of Concrete Structures, Norwegian Institute of Technology, 7034, Trondheim-NTH, Norway

    R. J. Lenschow

Authors
  1. R. J. Lenschow
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Editor information

Editors and Affiliations

  1. Department of Architecture College of Science and Technology, Nihon University, Kanda Surugadai, Chiyoda-ku, Tokyo 101, Japan

    W. Kato

  2. University of California, USA

    B. C. Gerwick Jr.  & J. Penzien  & 

  3. The University of Tokyo, Japan

    M. Homma

  4. University of Trondheim, Norway

    R. Lenschow

  5. American Shore and Beach Preservation Association, USA

    O. T. Magoon

  6. Massachusetts Institute of Technology, USA

    C. C. Mei

  7. Nagasaki Institute of Applied Science, Japan

    S. Motora

  8. Japan Marine Science and Technology Center, Japan

    K. Okamura

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© 1985 Springer-Verlag Tokyo

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Cite this paper

Lenschow, R.J. (1985). Concrete Platforms in the North Sea and Some Related Research on Fatigue. In: Kato, W., et al. Ocean Space Utilization ’85. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68284-4_76

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  • DOI: https://doi.org/10.1007/978-4-431-68284-4_76

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68286-8

  • Online ISBN: 978-4-431-68284-4

  • eBook Packages: Springer Book Archive

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