Etabs Mass Summary By Story _best_ Jun 2026

to include dead loads and a portion of live loads (standard seismic practice often uses 1.0 for Dead/Super Dead and 0.25 for Live Load). Lump Lateral Mass at Story Levels

The offset between the CM and CR creates the that drives torsional forces during an earthquake. A deep analysis of the Mass Summary tracks the trajectory of the CM coordinates ($X_m, Y_m$) up the building height. etabs mass summary by story

The specific level (e.g., "Story1," "Roof," "Terrace"). to include dead loads and a portion of

: The translational mass in the X and Y directions (usually identical). etabs mass summary by story

These represent the total mass considered for horizontal motion in the X and Y directions. In most cases, these values are identical unless you have assigned specific directional mass properties.