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  1. bowlingdanish

    What happens in my FEA analysis when I pin the top of walls from 1st floor?

    Your senior is telling you modelling assumptions to achieve the holistic design approach of the building. They sound like conventional idealisations that are sound and proven, but we don’t know the building or anything affecting it. To take a random stab at what you’re asking - it’s common to...
  2. bowlingdanish

    steel beam lateral bracing top flange with wood floor joist

    Forget the codes. For lateral torsional buckling - just think: does it stop global rotation of the cross section? If the timber plate isn’t bolted to the flange - it probably doesn’t so I’d not consider that braced. If it is - then is there a load path beyond the connection to stop the section...
  3. bowlingdanish

    Roof Collapse in Perth, Australia

    Looks like a site weld telescopic spigot for a truss chord? I’m guessing designed as fpbw but probably welded like a seal weld because it wasn’t properly detailed with a bevel and 1:1 weld detail etc etc Wild speculation ofcourse but would explain a sudden failure
  4. bowlingdanish

    Precast Prestressed Concrete - Beam Cantilever

    Thanks Hokie- But presumably when you pretension the strands you need to continue the strands the full length of the member. So you'll have bottom strands for the backspan which must continue through the cantilever, and the top strands for the cantilever would need to continue through the...
  5. bowlingdanish

    Getting licensed in the UK

    There are two in the UK, CEng through the ICE, and MIStructeE. The CEng is for both civil and structural and is not particularly technical, more professional competence. The IStructE would be similar to PE, in that you need to sit 7 hour technical exam with a low pass rate to achieve it, as well...
  6. bowlingdanish

    Precast Prestressed Concrete - Beam Cantilever

    Sorry I should have been clear - yes it will all be simple spans to corbelled columns, except for the cantilever which will require continuity over the column. The question is how this is achieved - hence the question to eng-tips [pipe]
  7. bowlingdanish

    Precast Prestressed Concrete - Beam Cantilever

    Hello Might be a bit of an odd question but I can't seem to find much online so here we go; I am working on an office building where the contractor is looking to use precast elements for everything. So precast floors spanning to precast beams to precast columns, the whole deal. The building...
  8. bowlingdanish

    Buckling lengths in portal frames

    These are just my opinions, but I look forward to KootK weighing in [pipe] I typically wouldn't consider this if the top flange is fully restrained, unless the beam was extremely deep. If you are fully restrained along the top flange, and presumably at the column, I don't see how the small...
  9. bowlingdanish

    Slab-on-grade crack

    You forgot to add- with minimal wage and complete liability! Oh we are a silly bunch.
  10. bowlingdanish

    Do you "Stand Out"?

    Fascinating discussion. On the HR guff, I agree it's bull. I haven't been exposed to that level of crap but even what I am required to do 'development reviews' etc. I just tick the boxes without thinking and move on. Development is shown through delivering work, not filling out forms. On the...
  11. bowlingdanish

    Automation In Building Construction - Action Not Reaction

    Hello all, It's clear that most innovations in building construction over the last few decades have been developed to reduce labour and time costs on site. Prefabricated products that can be transported to site certainly require less on site labour, and now there is an ever growing list of...
  12. bowlingdanish

    Moment in masonry stem at concrete shearwall footing

    I'm not sure of the load of wall, depth of footing, height of stem, or any of that guff, but I have never used a stem as monolithic with a footing for design purposes. Either way if you have some restrained horizontal bars in the stem, unless the loads are enormous, I doubt you could prove on...
  13. bowlingdanish

    Cantilevered Concrete Slab Supporting Load Bearing Wall

    I agree with Kipfoot, keep the load to piles defined and rational. I would only ever do the cantilevered slab if pouring a beam meant undermining the adjacent structure.
  14. bowlingdanish

    Masters degree in Australia

    What you don't realise is the 4 year bachelors degree (+honours) previously offered (which I also graduated with) contains the same material as the 5 year masters degree now offered. There's just an extra year of faff, no additional high level material. In fact, in the UK where they have always...
  15. bowlingdanish

    Structural Engineering books

    This is controversial I'm sure - but I don't own a single engineering textbook. That's not to say that I don't want any, but I just can't justify the expense over travel and beer. I have gigabytes of details, manuals and references though so I feel like I'm well covered. But strangely enough I...
  16. bowlingdanish

    That is some moment frame

    Why not make it even bigger? Then it might stand up!
  17. bowlingdanish

    Stiffness and Load

    On a fundamental level I feel like it's a optimisation of energy type deal. I think in all forms of physics, chemistry, etc. the processes that take place do so because they are the most efficient and consume the least energy. If you have a tall building a put a big load on the top of it, that...
  18. bowlingdanish

    Shear Flow with a Uniform Moment

    OK... So it's not just a uniform moment at each end - you're also introducing additional axial forces. My view would be this - based on nothing but intuition; - Take the same member supported on perfect rotational pins, and supported vertically. - Take the same rigid clamp and apply your...
  19. bowlingdanish

    Payment for services

    I feel as though engineering is different to law - the rules are based on science and physics, not human creations of legislation and order. If an engineer compromises their integrity I feel they also compromise their credibility. You can't argue a case based on fundamental evidence and physics...
  20. bowlingdanish

    1870s construction - arched rods at column

    This is unrelated and probably a silly question but why are they all like... randomly and incositently white? Some bloke with a powdercoat gun spraying the ceiling and it got through?

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