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  1. GJoeRMK

    Large UZ force in one of the slabs

    For a beginner advice is to always look at CSI Analysis Reference.pdf
  2. GJoeRMK

    Large UZ force in one of the slabs

    If I have to guess, you did not mesh the membrane slab. Right? Ok, looking at your etabs model, your slab is defined as a deck, and here the catch, in Etabs decks are always modeled as membrane, which mean it only support forces along its own plane, if you use a membrane element you need to...
  3. GJoeRMK

    Sync feature for ETABS

    If colaboration is so important, have you ever tried working the structural geometric model in the REVIT domain (using the analytical space)? There is a tool called speckle that manage data from different software, I am pretty sure you can export the basic model into ETABS and when you finished...
  4. GJoeRMK

    Modeling question in etabs, What Etabs does to a shell element to make it "ribbed" ?

    Greeting, What Etabs does to a slab shell element to make it "ribbed" ? I found an article that claims that a ribbed shell elements mimics the orthotropic stiffness of the element if you select this type, but not idea what are the exact modifiers values I should be able to make a simple slab...
  5. GJoeRMK

    Does anyone know why etabs asign masses to "Base" (I assume is the nodes in the foundation

    Hello Josh, Yes, I activated self weight on section definition and that goes to my load dead case which has the self weight multiplier set to 1, my model has frames and shell elements (walls), so I guess part of that goes to the joints in the foundation. Thanks for your recommendation
  6. GJoeRMK

    Does anyone know why etabs asign masses to "Base" (I assume is the nodes in the foundation

    Hello everyone: I am having issues at understand why Etabs is assining masses in reaction nodes, it doesnt make any sense, I lumped masses at story levels, but Etabs doing at base level (reactions) is just wonkers. Any way to undo that behavior...

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