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Recent content by ErikBjurSE

  1. E

    Do you guys defer steel connections? Should it be on the contact?

    As Engineer Of Record, don't you still have to review the steel shop drawings and make sure what is shown in the steel shop drawings (like number of bolts at each connection) matches your table in the detail you provide in your structural drawings? Since we were reviewing the steel shop...
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    Type of connection checks

    Without knowing more details, I'm assuming you just have tension / compression load from the columns vertically through the wide flange cantilevered beam. Tension loads across the cantilevered beam can be checked with: 1. Bolt tension - J3.6 2. Check beam flange bending - J10.1 3. Weld from end...
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    Tension/Bending Checks for C shape in weak axis

    Starting from bottom to top: 1. Check W beam flange local bending per J10.1. 2. Check bolt tension per J3.6 3. Check C beam flange local bending per J10.1 4. Check shear bolts per J3.6 5. Check steel plate for tension per J4.1 6. If you have holes in the plate, check block shear per J4.3 Long...
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    Weld Size Calculation for Plate Welded Perpendicularly to RHS Beam

    Your standard fillet weld formula is found in chapter 8 of the AISC manual. In my blue version, it's equation 8-1. You can get a decent strength bump if you account for the load angle with the equation on the next page. Just add up the capacity of the parallel and perpendicular welds. Things...
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    Welded together baseplate

    If they have to be separate, just bevel one of the plates and do a partial pen weld in the field. This is all assuming the loads are within reason. They could also fab this in the shop if it's just an issue with dealing with large material.
  6. E

    Do you guys defer steel connections? Should it be on the contact?

    If you are using Revit for your structural design, you can export to Advance Steel (also autodesk) and model your connections. Advance steel also can design the connections. If you take it a step further, you can learn to generate the steel shop drawings which turned out to be a giant cash...
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    Steel-to-Steel Fastening with total thickness greater than 1/2"

    Depends on the load, but if you can add holes in the front plate, you might be able to get away with some puddle welds. This lets you attach from one side and not need access to the other.
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    C++ in 2025 – Is It Still Worth Learning for Modern Development?

    C/C++ is a fantastic language and the one I keep going back to. I've written engineering software in Objective-C / Swift (Apple only) and also C#, Python and now C/C++. For raw speed, sorry it's not even close. C++ is basically bear metal. Want to use the GPU, C/C++ all the way. No JIT...
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    Return to RISA?

    I was a faithful RISA user for at least 15 years before switching. I've owned multiple structural engineering companies and I think we bought everything RISA sold. I'm retired now but stumbled on this post and thought I'd throw in my 2 cents. RISA was the standard, no need to look elsewhere...
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