Structural continuity

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Part of a series on vessels'

Structure

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Concepts

Structural Continuity

Structural continuity is the alignment of supporting members such that forces are transmitted efficiently between them. When designing a structural arrangement, it is important to ensure adequate structural continuity, as a failure to do so may result in failure of members at lower stresses than anticipated. Where it is necessary to break structure for the operation of the vessel (i.e., for stairwells or doors), headers should be used to support and transfer loads. It is considered bad form to have unnecessary breaks in structural continuity.

Poorly Aligned Structure

  • Pillars loaded off-axially are more susceptible to buckling
  • Structure falling on soft plate are liable to deform, fatigue, crack or pierce the plating
  • Stress distribution in the member becomes truncated; assumptions of uniform loading for calculations may be invalidated
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