Mass Summary By Story: Etabs

Once you have the summary, perform these three critical checks:

When the report loaded, the first line showed the total seismic weight per story. Maya read it like a heartbeat: lower floors carried more—concrete podiums, parking slabs, and heavy mechanical rooms—while the upper residential stories were lighter, filled with drywall and furniture assumptions. The variation was clear in the table: Story 1 held 1,200 kN, Story 2 had 1,000 kN, and by Story 12 it tapered to 650 kN. The building’s center of mass whispered its position: slightly offset toward the west because of the heavier stair core. etabs mass summary by story

This article is intended for educational purposes. Always verify with the latest CSI ETABS documentation and your local building code. Once you have the summary, perform these three