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Recent content by gregeckel

  1. gregeckel

    CMU Height Guidlines for Exterior Walls Bearing at Grade

    Sorry, I should clarify. In the case I'm considering the floor to floor heights are small (approx 12'). The design of the CMU for out of plane forces is not the primary issue. The question is about if relieving the CMU is necessary. For example with brick veneer we limit the maximum...
  2. gregeckel

    CMU Height Guidlines for Exterior Walls Bearing at Grade

    Good info there but that thread is for a wall spanning a large single story. Also in that case the wall is load bearing. My question relates to a wall which is tied laterally at each floor and only supports its self weight, and cladding. -Greg
  3. gregeckel

    CMU Height Guidlines for Exterior Walls Bearing at Grade

    Are there practical or code based height restrictions on exterior CMU walls which are tied laterally at each floor but gravity loaded to the foundation? Obviously I need to account for floor deflections and thermal movements. Code or design guide references would be helpful. Thank you, Greg
  4. gregeckel

    Column Unbraced Length Question

    It's my understanding that the buckling shape would be different with the load at 15' than with the load at 100'. I guess what I'm really wondering is what is the K value to use if you assume L=15'. In design this situation would likely never be this extreme and I would simply use K=1 and...
  5. gregeckel

    Column Unbraced Length Question

    I have a quick theoretical question. Let’s assume we have an unbraced column 100 feet long. The top of the column is a roller (translation fixed, vertical free) and bottom of the column is a pin. There is a large point load concentric on the column close to the base (let’s assume about 15’...
  6. gregeckel

    Large Base Plate Design for Axial Load

    The fabricator on a job I am working on has requested larger base plates for constructability. I am wondering if I should make them also increase the base plate thickness. Using the standard method for determining the thickness of a base plate the thickness should increase. I've looked into...

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