What is meaning of Sheer ?

Sheer is defined as  Curvature of decks in the longitudinal direction. Measured as the  height of deck at side at any point above the height of deck at side amidships.

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Points to pounder for sheer of ship:
  • Most of ships, the intersection of the deck surface and the plane of symmetry is a curved line with the concavity upwards. Usually, that line is tangent to a horizontal passing at a height equal to the ship depth, D, in the midship section, and runs upwards towards the ship extremities. It is higher at the bow. This longitudinal curvature is called sheer.
  • The deck sheer helps in preventing the entrance of waves and is taken into account when establishing the load line in accordance with international conventions.


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