D-BEAM® Design Calculator
Official online calculator for the Girder-Slab® composite shallow floor system. Performs all 11 design checks per ANSI/AISC 360-22 and the AISC Steel Construction Manual 16th Edition.
What's checked
- Element slenderness — top flange, castellated top flange, web
- Strength — top flange to web connection, composite shear, bottom flange transverse moment
- Strength — moment on noncomposite and composite sections
- Ductility — bottom flange flexural strain at ultimate
- Serviceability — live load and total net deflection
Reference standards
ANSI/AISC 360-22 · AISC Manual 16th Ed · IBC 2024 · ACI 318-22