1. Slide 2-8: Verification of FE model (global & local)
Slide 9-19: Parametric Study
Slide 20: Animation

2. Model Configuration and Boundary Condition

3. Loading History and Force-Displacement Plot for HSS5

4. Brace out-of-plane Displacement Comparison for HSS5

5. Local Behaviors 1 Brace Buckling & North East Gusset Plate Yielding

6. Local Behaviors 2 Moderate Yielding on East Column Inner Flange & Moderate Yielding and Bending on West Column

7. Local Behaviors 3 Moderate Yielding on South Beam

8. Gusset Plate out-of-plane Displacement Comparison for HSS5 (9 & 8)

9. Parameters GP size GP thickness (in) clearance requirement note
GP size
GP thickness (in)
clearance requirement
note
HSS GP3/8
25x21
3/8 6t
reference
HSS 3t
23.5x19.5 3t
3t clearance
HSS 12t
28x24
12t
12t clearance
HSS 15°T
15° tapered
15° tapered gusset plate
HSS 25°T
25° tapered
25° tapered gusset plate
HSS ST
beam-to-column connection
(w/o tapered)
HSS ST15°T
(w/ 15° tapered)
HSS GP7/8
7/8
7/8” gusset plate
HSS GP3/8LB
3/8” gusset plate &
large beam
HSS GP3/8LC
large column
HSS GP3/8LBLC
large beam and column
HSS GP7/8LBCP
7/8” gusset plate &
large beam &
cover plate

10. Parameters

11. Stresses on North East Gusset Plate -Clearance Requirement HSS GP3/8 HSS 3t HSS 12t

12. Stresses on North East Gusset Plate -tapered plate HSS GP3/8 HSS 15°T
Stresses on North East Gusset Plate -tapered plate HSS GP3/8 HSS 15°T HSS 25°T

13. Stresses on North East Gusset Plate -alternate beam-to-column connection HSS GP3/8 HSS ST HSS ST15°T

14. Stresses on South West Gusset Plate -gusset plate thickness HSS GP3/8
Stresses on South West Gusset Plate -gusset plate thickness HSS GP3/8 HSS GP7/8

15. Stresses on North East Gusset Plate -frame size HSS GP3/8
Stresses on North East Gusset Plate -frame size HSS GP3/8 HSS GP3/8LB HSS GP3/8LC HSS GP3/8LBLC

16. Brace-to-Gusset Plate Connection

17. Stresses on Brace-to-Gusset Plate Connection -cover plate HSS GP7/8LB
Stresses on Brace-to-Gusset Plate Connection -cover plate HSS GP7/8LB HSS GP7/8LBCP

18. Accumulative Equivalent Plastic Strains at southeast corner of northeast gusset plate (NECG)

19. Accumulative Equivalent Plastic Strains at southeast corner of northeast gusset plate (NECG)

20. Animation