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Recent content by addt

  1. addt

    Bored Pier Design Australia

    Hi sdz, I'm a timber design engineer specialising in frame/truss/floor system design. I have not been involved in foundation design for more than 20years, so when it comes to design combinations relating to bearing pressues i get a little lost. One our builders had a concern over the proposed...
  2. addt

    Bored Pier Design Australia

    Hi, We have been asked to review a structural design for a proposed 2-storey residential build, both brick veener (supported on slab with high level edge beams on bored piers i.e no drop edge beams used) and cladded walls (bearers and joists suppoted bored piers). The building will be located...
  3. addt

    Horizontal deflection limits for residential steel portal frames

    Hi, I've been asked to design the bracing structure for a 2-story residential building. For the most part everything is fine, except I've got 2 end gable walls full of windows. Based on the numbers, I'm currently 50kN short for code compliance. I'm going to install two portal frames to resist...
  4. addt

    Name of rotating device

    Mike, Thanks for the reply, i should of been more detailed. The device i'm looking for is to be mechanically driven by two motors, one drives the base and the other drives the rotating plate. The aim is to have a device capable of being attached to the side of a table bench timber saw. I'm not...
  5. addt

    Name of rotating device

    Hi All, Trying to figure out the name of the device similar to what i have modeled up and if its a propriety item that i can buy. The device is required to rotate around its base 360 deg and the drive(blue part) also 360 degrees. It's similar to a security camera mount. Cheers Addt...
  6. addt

    Timber Cantilevers

    Hi Lads/Ladies I'm looking at attaching a supplementary member alongside existing roof rafters to create a cantilevers up to 1200mm. I'm wonder what is the required back span/overlap required. In this instance i have 200mm deep rafters and proposing to stitch 90mm deep overhangs. I wonder at...
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