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Recent content by engrbon

  1. engrbon

    Flagpole supports

    Compute the wind forces based on the codes being used in your region. (You can use ASCE 7-05 as a reference) Calculate the overturning moment and start your design. Earthquake forces must also be considered in places of high seismic activity.
  2. engrbon

    Questionable Engineering Design

    I'm just wondering why we are continuously building wooden structures in areas affected by extreme atmospheric conditions. From a structural point of view, it doesn't seem logical.
  3. engrbon

    Seismic Joint vs. Structural Separation

    Perhaps they can use flexible connections for all the pipes and ducts that will cross this joint...just a thought.
  4. engrbon

    connecting very thick shell elements

    Try to attach the file.
  5. engrbon

    Swedish beam collapse

    It seems like the member doesn't have enough bearing stiffeners to support the compressive forces.
  6. engrbon

    MINIMUM REBAR AREA FOR COMPRESSION SIDE OF RC BEAMS

    ^That's right sir we might end up having a steel area more than 75% of the balanced steel ratio.
  7. engrbon

    Concrete walls - Load distribution to foundations

    Can you please check the video tutorials from this site, if ever you haven't watched them yet. I just need to go outside for a couple of minute. Just keep me posted. If you can attach your model maybe experts here can give you more guidance. http://www.csiberkeley.com/Support_WL_ETABS.html
  8. engrbon

    MINIMUM REBAR AREA FOR COMPRESSION SIDE OF RC BEAMS

    WL^2/8 - I mean the formula for the maximum moment of a simply supported beam with uniform load.
  9. engrbon

    MINIMUM REBAR AREA FOR COMPRESSION SIDE OF RC BEAMS

    ^ WL^2/8 Isn't this the formula for the maximum moment of a simply supported beam? Why not just use the actual moment as per analysis whether it be simple, continuous, fixed end, etc. and from there you start your design and adjust your rebar area & curtailments as per code requirements.
  10. engrbon

    OVERLAPPING MEMBERS...NEED HELP

    @Apsix, please accept my apologies. Thanks. @TXStructural, Thanks. Just wanted to try the software, I want to learn more that's why I'm asking, if others are ashamed to ask because other people might think that they don't know anything, count me out. I will ask if something confuses me. I not...
  11. engrbon

    need help to check accuracy of models in etabs

    You already cut your slabs...I bet it will take some time for the model to analyze this.
  12. engrbon

    Concrete walls - Load distribution to foundations

    Well...sorry if I'm not that much of a help. Hope you can find the right solution to the problem. You can at least try to get your reactions directly from the grade beams...well just use it as your pile cap and get the reactions from the wall itself. I'm not really comfortable with the short...
  13. engrbon

    Concrete walls - Load distribution to foundations

    I guess you should remove the short columns instead.
  14. engrbon

    Concrete walls - Load distribution to foundations

    I'm wondering why use short columns? Is this really part of the structure or you're just depicting it to be your piles? If you encountered the same problems before at least you can use it as your reference. By the way CSI said use stiffness values equivalent to the pile.
  15. engrbon

    Concrete walls - Load distribution to foundations

    My idea is remove the short columns and delete its storey. Make a separate copy so you can retrieve any previous designs. Maintain the grade beams. Run the analysis and export the base level including the loads from above to the SAFE program. From CSI on SAFE: • How do I input piles for my...

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