Seismic base shear (ELF) to ASCE 7-22 12.8
The equivalent lateral force procedure: period, seismic response coefficient with its limits, base shear, story forces and overturning.
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What you get
From the inputs to a finished seismic base shear (elf) calculation
The applicable checks, step by step
Every check to ASCE 7-22 12.8 with its equation, the values that go into it, the result and the code section, and the governing case up front. Results update as you type.
A calculation report a reviewer can follow
Inputs, load combinations, every check with its result and reference, and the governing case, 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 SI units at any time, LRFD or ASD where the code offers both; the report follows.
Verification
How the seismic base shear (elf) is tested
Against published examples and hand calculations from the code equations, on every change. The method and the sources.
Learn
Step by step
More lateral loads calculations
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