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  1. begstr

    Fall Restraint Beam

    Existing structure needs a fall restraint beam added. There are 2 rows of several floor openings. There will be 2 fall restraint beams spanning between roof frames. Owner wants 3 people to be able to be tied off each side. I know that the design impact load is 5 kips. Is there a reduction that...
  2. begstr

    Dynamic Loads

    Designing a floor for a piece of equipment that vibrates. I'm given the choked weight (22,000 kg). The dynamic loads are: Horizontal (4.8 Hz) = +/- 1320 N and Vertical (4.8 Hz) = +/- 3760 N. The floor with be W shaped beams with grating. People will be working around the machine while in...
  3. begstr

    Stainless Steel Design

    Need to design stainless steel tube columns. (as well as tube braces) Searching the internet, I haven't been able to find any structural design equations specifically for stainless. Do I just use the AISC manual's equations ??? Looking to use 4"x4"x.180" Grade AISI 304L/304 I was given test...

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