Initial Scantling Criteria for Local Strength
The local strength of primary and secondary structural members is evaluated by means of stresses due to local loads, such as lateral pressure or concentrated loads etc. Again, the elementary Bernoulli-Euler beam theory is utilized when computing the stresses or deflections for stiffeners and girders. Plate theory is used for plates. The derivation of the equations for stress and deflection, using the same assumptions as for elementary beam theory or plate theory.
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