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Recent content by BruceLow

  1. BruceLow

    BENT_BAR_TRUSS_Circa_1956

    Thanks all, It certainly looks like a welded, formed-bar version of the Kalmantruss design. This is getting interesting. I will keep you posted as this saga unfolds. Bruce
  2. BruceLow

    BENT_BAR_TRUSS_Circa_1956

    Thanks for your help, Hokie66. I just submitted a letter to that effect.
  3. BruceLow

    BENT_BAR_TRUSS_Circa_1956

    Thanks for your response, Hokie66. I'm attaching a photo of the joist. These joists must have been a nightmare to build. The bars need to be formed very precisely to keep the joist straight & square. Also, the weld surfaces need to be flat & clamped in contact. It is hard to get good weld...
  4. BruceLow

    BENT_BAR_TRUSS_Circa_1956

    I am attaching a sketch of an unusual truss I have been asked to evaluate. I can't find this design in the SJI 60-Year Steel Joist Manual, or in any current joist catalogs. It consists of two .5" x .75" steel bars which are bent in a zig-zag pattern. Each bar runs the full length of the joist...
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