Tubular Truss – Joint A – Gapped K Connection

HSS Design Manual - Example 4-1.4

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 – Rectangular Members. For Joint A the branch forces are resisted completely by other members on the same side of the chord; therefore this is a pure K connection.

Refer to the figure in the reference for additional details.

Results

Table 1.
Parameter RAM Connection Reference Difference
Chord wall plastification capacity (kips) 227.39 227 None
Shear yielding (punching) capacity (kips) 379.38 379 None
Shear of chord sidewall capacity (kips) 196.89 197 None
Weld design intermediate result – le (in) 25.16 25.16 None