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Recent content by Lutchmanen

  1. Lutchmanen

    FEM Concrete Software

    Hello, It’s been some years now that I have been using Prokon Frame Analysis for finite element modeling and design of concrete structures, notably slabs. It only recently occurred to me to check what FE formulation they use and found out that it’s a Discreet Kirchhoff-Mindlin, which I know...
  2. Lutchmanen

    FE Analysis Software (Concrete)

    I have been thinking that Prokon might be only used in the African-Australasia regions only. I guess that is really the case then. You are right about the design-specific packages people would use. But lets take for example concrete frame analysis and shear wall designs, do you have any...
  3. Lutchmanen

    FE Analysis Software (Concrete)

    From the numerous finite element concrete design packages available, do you have a preference for one or the other? Can we make a sort of poll to determine what is most widely used and why? I, for instance, use Frame from The Prokon Structural Analysis and Design package. A number of...
  4. Lutchmanen

    Modal Frequency/ Harmonic Loading

    Indeed, I couldnt find any appropriate document or guidelines to see me through the specifics of this design. And finally, we found it satisfactory to simply design the structure to the maximum wind speed and go for sections seclections such that there is no deflection on the structure. Which we...
  5. Lutchmanen

    Modal Frequency/ Harmonic Loading

    Basically, all the client is worried about is whether there will be a whooing sound caused by the attached structure everytime a car runs along the bridge. Or whether it will sound again whenever there is strong winds. The structure shall be wholly fabricated and we are to design it such...
  6. Lutchmanen

    Modal Frequency/ Harmonic Loading

    Hello, We are designing a stainless steel feature consisting of CHS arched over a distance of 20 m, to a height of 7.5m, braced at intervals of 2m with CHS sections. The whole structure is fixed to the side of a concrete bridge. We have been told that we need to design it for harmonic loading...

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