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The study aims to develop a reliable indoor scaling model to predict the mechanical behavior of spherical hinges under high-pressure conditions.

Mechanical Characteristics and Predictive Reliability of Spherical Hinge Scaling Model for Swivel Bridge Using Distortion Correction

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The study aims to develop a reliable indoor scaling model to predict the mechanical behavior of spherical hinges under high-pressure conditions.
A similarity formula for spherical hinge structures was derived and validated.
An indoor scaling distortion model was designed to account for scaling effects.
An indoor simulation loading test validated the model's predictive accuracy.
The indoor scaling model represented the actual stress condition with a margin of error below 15%.
Axial stress on the outer slider exceeded that of the inner slider by 12.9%–19.7%.
The findings emphasize the need for better materials and load distribution in outer slider design.

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Randomized trial evaluates stress distribution in spherical hinges for swivel bridges, indicating improved design strategies.

Guo et al. (2026) studied this question.

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