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The culprit?
Seismic forces are calculated based on mass. If your story mass is off, your base shear and lateral forces will be incorrect. This table allows you to: Verify the self-weight of slabs, beams, and columns.
Story Mass (UTotal) = Σ(Dead load + applicable live load) / g
For better results, your "Mass Source" definition should follow these industry standards:
The culprit?
Seismic forces are calculated based on mass. If your story mass is off, your base shear and lateral forces will be incorrect. This table allows you to: Verify the self-weight of slabs, beams, and columns.
Story Mass (UTotal) = Σ(Dead load + applicable live load) / g
For better results, your "Mass Source" definition should follow these industry standards: