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Recent content by Zzzer

  1. Zzzer

    One way flat plate?

    Thanks for your reply. Yeah, bondek but one way because I think there is no point using a two-way bondek as we are gonna lost 50mm thick concrete rib. So if I run the slab in x direction, which means I will get rid of the green lines and use a cantilever bondek slab which sits on the blue beam...
  2. Zzzer

    One way flat plate?

    Thank you very much rapt. Yeah, FEM only gives you elastic deflection. It is hard to calculate deflection of two way flat plate either by hand or spreadsheet though. BTW, I guess you are in Australia from your name rapt?:) If you are, could you please help me with the following question? So I...
  3. Zzzer

    One way flat plate?

    Hi everyone, Just wondering if it is possible to design the following structure as one way flat plate? Thanks.
  4. Zzzer

    Conventional raft slab on ground with piers?

    The material under the slabs/beams is uncontrolled fill, which I don't think will provide stiffness when piers are placed under beams... Beams are fine, I am just worrying about the pier capacity. Thanks for the information, I will have a look. Yes, for raft and waffle I will simply use what...
  5. Zzzer

    Conventional raft slab on ground with piers?

    Thanks for your replies. It is called stiffened raft slab which is commonly used in Australia for residential projects. Normally the stiffened raft slab will simply sit on the ground unless there is deep fill then we need to have piers under. Loads are just normally 1.5kPa live load plus self...
  6. Zzzer

    Conventional raft slab on ground with piers?

    I am designing a slab-on-ground with piers because of deep fill and wondering what its load transfer mechanism is like. Can anyone please tell me if I need to design it as a suspended slab-beam on piers system? If so, it looks like I need massive amount of piers. Let's say the beam sizes are...
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