Steel members in torsion to SIA 263
Uniform and mixed torsion, by type of section.
Modules
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Rolled section
Uniform and mixed torsion of a rolled profile, with warping of a double tee.
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Open section
Uniform and mixed torsion of an open section built of rectangular plates.
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Rectangular hollow section
Uniform torsion of a rectangular hollow section by Bredt's formula.
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Circular tube
Uniform torsion of a circular tube, closed or slit.
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Closed cell
Uniform torsion of a single closed cell with walls of differing thickness.
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Rectangular section
Uniform torsion of a solid rectangle.
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Circular bar
Uniform torsion of a solid round bar.