Comparison between Etabs and Sap2000

Structural analysis of an office building

Enache Ovidiu Stefan

SAP2000 model ETABS model

STRUCTURAL MODEL

Building data

- circular columns 60 cm

- ramp 15 cm

- girders 55x25 cm

- slab 15 cm

- shear walls 20 cm, 25 cm

- curtain wall 8 mm

Loads

Loads combination acc. to CR0-2005

1.35 1.5 1.05

0.4E

G Q Q

G A Q

- dead load – self weight- live load - 4000 N/m2- wind load- snow load - 2000 N/m2- seismic load - time history - Santa Monica earthquake

Modal analysis

Modal analysis

Modal analysis

ETABS results

SAP2000 results

Seismic analysisSanta Monica earthquake

direction x direction y

relative level displacements

Girder analysis

Walls analysis

Stairs ramp analysis

Slab analysis