Etabs Mass Summary By Story Hot! May 2026

The geometric coordinates where the story mass is concentrated.

Ensure you have assigned diaphragms to your floor shells. ETABS calculates story mass properties most effectively when floors are constrained as diaphragms. Mass Source: Most modern codes require Mass = StorageLiveLoadcap S t o r a g e cap L i v e cap L o a d etabs mass summary by story

Seismic codes (like ASCE 7 or Eurocode 8) calculate the base shear based on the total "Seismic Weight" ( The geometric coordinates where the story mass is