Resources for Truss Connection Design

Typically, engineers rely heavily on Chapter K of AISC 360 for design guidance for HSS connection designs.  However, there are many additional resources available including additional design examples and principles which are not referenced or included in AISC 360.

In the January 2019 SE University session, Brad Fletcher, SE, from Atlas Tube, gave a presentation on HSS Truss Connections: The Ts, Ks, and Ys of It All.  Brad reviewed ways that HSS truss joint configurations affects the strength and stiffness of the overall truss, as well as how the fabrications costs of the truss relate to the truss joints connections and details.

Brad offered several resources for the design of steel trusses, connections, and multi-planar trusses.  Of course,  AISC 360 offers design guidance in Chapter K for HSS connections, however AISC Design Guide 24 adds further insight for HSS connection design.  Brad noted this design guide will be enhanced and released again later this year.

CIDECT (International Committee for the Development and Study of Tubular Structures) also offers great examples and principles which may not be covered in the AISC design guides.  The 9 CIDECT design guides are available for free download on the AISC website, and further support can be found directly from CIDECT.

Steel Tube Institute also offers several online tools as well as HSS Design Manuals.  These online tools include spreadsheets as well as HSS CONNEX which code checks your joint configuration.  Some items are available for free to members while others may be purchased without membership.

Having and using these additional resources can give an engineers more insight into the intricacies of HSS joints and connection design which can help to increase truss strength and stiffness while minimizing fabrication costs.  Online tools are especially helpful to code check individual connections and save valuable design time on your next project.


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