STP404

    Fatigue Failure of a Redundant Structure

    Published: Jan 1966


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    Abstract

    Multiple-load-path redundant structures have been utilized in “fail-safe” design applications for a long time without a thorough investigation into the statistical nature of their failure. Experiments conducted at the Institute for the Study of Fatigue and Reliability, of Columbia University, on a model ten-member redundant structure subjected to constant-amplitude loads have been analyzed, and the statistical distribution of consecutive failures was determined. The experimental results are compared with various theoretical computations which were found to be conservative.

    Keywords:

    fatigue (materials), redundant structures, statically indeterminant structures, probability, aluminum alloys


    Author Information:

    Heller, R. A.
    Deputy director, Columbia University, New York, N. Y.

    Donat, R. C.
    Research assistant, Columbia University, New York, N. Y.


    Paper ID: STP48339S

    Committee/Subcommittee: E08.03

    DOI: 10.1520/STP48339S


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