Rigid diaphragm torsion to ASCE 7-22 12.8.4
Story shear to walls and frames by rigidity: center of mass and rigidity, inherent and accidental torsion, torsional irregularity and the shear in each element, in both directions.
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What you get
From the inputs to a finished rigid diaphragm torsion calculation
Every step shown
Each result with its equation, the values that go into it and, where there is one, the code section. Results update as you type.
A calculation report a reviewer can follow
Inputs and every step with its result and reference, in a clear PDF with your title block.
Drawings
Where the calculation has a shape to draw: elevations, sections and the diagrams, on a sheet with your title block, as PDF or DXF.
Your units, your method
US or metric units at any time, LRFD or ASD where the code offers both; the report follows.
Verification
How the rigid diaphragm torsion is tested
Against published examples and hand calculations from the code equations, on every change. The method and the sources.
Learn
Step by step
User manual: Rigid diaphragm torsion
Every input, check and option of the calculation explained.
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