Etabs Mass Summary By — Story Better ((install))
For the best results, ensure your is defined via Define > Mass Source . To avoid double-counting, don't check "Element Self Mass" if you are also including a Dead Load pattern with a 1.0 multiplier in your load list.
: It allows for a quick manual comparison against estimated building weights (e.g., Dead Load + % Live Load) to ensure no significant loads were missed. etabs mass summary by story better
A typical story summary provides (translational mass) and R1, R2, R3 (rotational mass moment of inertia). Better interpretation requires you to ask specific questions: For the best results, ensure your is defined