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Plate Girder — Doubly Symmetric Built-up I-Section, AISC 360-22

Flexure by web class (F4 noncompact web, F5 slender web) with lateral-torsional and flange local buckling; shear with and without tension field action (G2.1, G2.2).

Section and material

Web depth h in

Web tw in

Flange bf in

Flange tf in

Fy ksi

Flexure

Unbraced length Lb ft

Shear

Stiffener spacing a (blank = none) in

Panel

Tension field action

Results (LRFD)

Web · flange class · clause—

Compression-flange yielding · LTB · FLB (kip-ft)—

Lp · Lr—

φbMn—

kv · Cv1 · Cv2 · method—

φvVn—

AISC 360-22F4 (F4-1 to F4-14), F5 (F5-1 to F5-9), F13.2; G2.1, G2.2 (G2-6 to G2-11). F1–F5 unchanged from 360-16. G2.3 (tension field action in end panels, new in 360-22) is not implemented — end panels use G2.1.

VerifiedAISC Companion V16.0 Vol. 1 Examples F.14 (flexure and shear) and G.8A/G.8B (stiffened webs, tension field action) reproduced.

Preliminary calculation tool. Final design requires the full text of the referenced standard (see the sources on this page) and review by a licensed PE.