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Design requirements for bending stiffeners of submarine cables

The functional requirements of the bending stiffener of the marine flexible umbilical cable are very similar to those of the bend limiter, but in addition to ensuring that the flexible umbilical cable does not undergo excessive bending damage and self-strength damage in various working conditions, it must also ensure that the flexible umbilical cable No fatigue failure occurs in dynamic applications. This requires that before designing the bend guard, not only the characteristics of the flexible tubing and the applied environmental characteristics, but also the overall linear characteristics of the flexible tubing must be considered.
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