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  1. tony1851

    Cracks under Steel Beam

    Whereabouts in Manchester are you?
  2. tony1851

    Cracks under Steel Beam

    Hopefully!, if we get the right people in.
  3. tony1851

    Cracks under Steel Beam

    I've heard that by using the Eurocode for steel, a designer could save 5- 10% of weight of steel used in a large framed building. But its really intended for spreadsheets, as doing EC3 calcs by hand can be fiendishly difficult. The old BS codes are a bit easier in that respect, though they are...
  4. tony1851

    Filling in the dutyholder Notification

    Just put yourself down as everything - its a box-ticking exercise so that they can give you the Certificate. Its all nonsense of course, deriving from Judith Hacketts' Grenfell enquiry, providing what the Report calls 'golden threads' (whatever that means?) for just more meaningless, pointless...
  5. tony1851

    Cracks under Steel Beam

    Like Britain, I think these things rarely collapse, they just gently decline.
  6. tony1851

    Cracks under Steel Beam

    5950 for me. I voted Brexit.
  7. tony1851

    Cracks under Steel Beam

    Or 1.35 and 1.5 depending....
  8. tony1851

    Cracks under Steel Beam

    Genuine question: what's 'FoS'?
  9. tony1851

    Cracks under Steel Beam

    As its plated underneath, do you know the section size (ie depth x width) of the beam internally?
  10. tony1851

    Cracks under Steel Beam

    Remember that the 1/360 limit is usually for live loads only. The codes don't usually specify the deflection for dead loads and this is where a lot of problems arise. Unfortunately, much is down to engineering judgement and experience.
  11. tony1851

    Protection of Function for architects.

    Yes, the programme typically finishes with Poppy saying "like, we went sixty thousand over budget? but we are, like, soooo pleased Tarquin advised us to have the Slüg wall units in the Chill Room? They waark really really well for us?"
  12. tony1851

    Protection of Function for architects.

    Some members may have read that the Architects Registration Board has been tasked by the government to draw up ideas for legislation requiring that in future only chartered architects will be allowed to draw building plans and submit them to Building Control and Planning. The ARB states that the...
  13. tony1851

    Cracks under Steel Beam

    That is a spreader beam and acts as a long padstone. Its OK structurally but is a 152 x 152 beam, which is why it sticks out. An ideal beam for a spreader would have been a 178 x 102 beam which wouldn't have produced that problem.
  14. tony1851

    How to Strengthen this joist notch?

    If the notch (45 mm deep?) was near the centre of the span, it would have seriously weakened the beam because usually the bending stress is greatest in the middle, so that's where you need the most material. The bending stress reduces as you go towards the end, where technically it becomes zero...
  15. tony1851

    How to Strengthen this joist notch?

    It looks to be fairly near the end of the joist so I shouldn't bother.
  16. tony1851

    Cracks under Steel Beam

    That would not necessarily be a negative - I have a few builder friends. Friend or not, the onus will be on the engineer to get it right and he will carry any repair costs.
  17. tony1851

    Cracks under Steel Beam

    There may be two problems here. One is that the builder may have used incorrectly-sized padstones. You will only know of this if you check through the engineer's calcs. The other is that the padstones are incorrectly laid; it would have been structurally better to have the padstones laid flat...
  18. tony1851

    6.5m Goal post RSJ

    Re the wind loading: IMO their calculation, such as it is, is too simplistic. Its more realistic to consider the whole of the side of the building and add up all the resistance moments of all walls and wall panels, internal and external, throughout the ground floor. The bedroom floors act as...
  19. tony1851

    Adding pillar support for RSJ

    @AB 12, see message.
  20. tony1851

    6.5m Goal post RSJ

    They mention wind loading on the side of the (enlarged) house. This is often the engineer's justification for specifying moment frames (aka goalposts); their reasoning is that the bending moment caused by the wind load is resisted by the strength of the frame. But this omits one important source...
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