Tubular Truss – Joint A – Gapped K Connection
HSS Design Manual - Example 4-1.5
References
Ericksen, Jason, et. al HSS Design Manual, Volume 4:Truss & Bracing Connections. Glenview, IL: Steel Tube Institute, 2017.Details
From the reference:
Full Truss Design Example – Round Members. For Joint A, the branch forces are resisted completely by a branch on the same side of the chord – therefore, this is a pure gapped K connection.
Refer to the figure in the reference for additional details.
Results
| Parameter | RAM Connection | Reference | Difference |
|---|---|---|---|
| K Gapped – Branch chord wall plastification (kips) | 392.42 | 392 | None |
| K Gapped – Branch shear yielding (punching) (kips) | 507.76 | 508 | None |
| Weld design – Intermediate result – y | 0.181 | 0.181 | None |
| Weld design –Intermediate result – ka | 1.18 | 1.177 | None |
| Weld design –Intermediate result – le | 24.5 | 24.5 | None |