Double-tee moment design to AISC 360-22
Double-tee moment connections for special and intermediate moment frames (AISC 358-22 Chapter 13): T-stubs with prying, the stiffness check, column flange yield lines, continuity plates and the panel zone.
No card needed. 30 days free, every connection type.
What you get
From the loads to a finished double-tee moment
The applicable limit states, checked
Strength and detailing checks to AISC 360-22 and the 16th Edition Steel Construction Manual, each with its ratio, the clause or equation it comes from, and the governing case. Results update as you type.
Drawings to scale
Elevations, plans and sections with bolts, weld symbols and dimensions, on a drawing sheet with your title block, as PDF or DXF.
A calculation report a reviewer can follow
Inputs, every check with its result and reference, and the governing case, in a clear PDF. See a sample report.
LRFD or ASD, US or SI
Switch the design method and the units at any time; the drawings and the report follow. Auto-design proposes a layout you can fine-tune.
Verification
How the double-tee moment is tested
No worked example is published in AISC 358-22: hand calculations from the cited equations of AISC 358-22 Chapter 13 and AISC 341-22.
How the types without a published worked example are checked.
Learn
Step by step
Designing a double-tee moment connection
The user manual chapter: every input, check and drawing explained.
Video: Designing moment connections
FR moment connections with flange plates or directly welded flanges, column stiffeners and doublers, and PR top-and-seat angle connections. (3:14)
More moment connections
Design your next double-tee moment today
Free for 30 days, then $20 a month or $100 a year. Nothing to install.
ILX Studio, LLC is not affiliated with or endorsed by AISC.

