The objective of the test described in this paper was to study the effect of hatch size on the torsional strength and rigidity of ships' hulls. Six plastic models, simulating the mid-ship portion of a cargo ship, with various sizes and arrangements of hatches, were tested by subjecting to torsion and determining the resulting angle of twist, the approximate intensity and distribution of stress, and the torque required to produce fracture. Torsional rigidity was found to decrease generally with total width of hatches and with length of hatches. The torque to failure showed a greater variation between models than did the torque required to produce a given strain. The highest stress concentrations were at the hatch corners, and in every case the models failed at a hatch corner.
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March 1959
Journal Paper|
March 01 1959
Effect of Size of Hatches on Torsional Strength and Rigidity Available to Purchase
James P. Bailey
James P. Bailey
Newport News Shipbuilding and Dry Dock Company
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J Ship Res 3 (01): 31–35.
Paper Number:
SNAME-JSR-1959-3-1-31
Article history
Published Online:
March 01 1959
Citation
Bailey, James P.. "Effect of Size of Hatches on Torsional Strength and Rigidity." J Ship Res 3 (1959): 31–35. doi: https://doi.org/10.5957/jsr.1959.3.1.31
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