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Engineer

Glen Waverley VIC
Joined 6 February 2019
Junior Member
15 d15 dEngineerEngineer posted:
Trenching for slab - concerns of trench work need help

Have you paid a fixed price for the slab? Keep an eye on the reinforcing, make sure it is per the drawings and has cover from the sides and bottom…

15 d15 dEngineerEngineer posted:
Which Slab is Better? Waffle Pod or Raft Concrete Slab???

When I first started out in Perth and we got clay the consutling engineer I worked for would recommend removing 600mm and replace it with sand. We would specify that…

15 d15 dEngineerEngineer posted:
Which Slab is Better? Waffle Pod or Raft Concrete Slab???

Polyvoid have about 2000 slabs and issues can be counted on one hand. In the early days (6-7) years ago the plumbing and top of pile connections were not as…

Which Slab is Better? Waffle Pod or Raft Concrete Slab???
16 d16 dEngineerEngineer posted:
Which Slab is Better? Waffle Pod or Raft Concrete Slab???

You certainly cannot build waffle on E in the deemed to comply Part 3 of AS2870 but I agree to a certain extent you can design any slab for any…

Which Slab is Better? Waffle Pod or Raft Concrete Slab???
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17 d17 dEngineerEngineer posted:
Which Slab is Better? Waffle Pod or Raft Concrete Slab???

Great points - the theory is that a waffle is structurally stiff and can span over some differential movement in the slab - in practice however I agree, where there…

Which Slab is Better? Waffle Pod or Raft Concrete Slab???
17 d17 dEngineerEngineer posted:
H Slab - Screw Piles

Thanks - day one and I got a call and assisted where I could. My interest is really in assisting folk with getting the foundations right. Everyone spends lots of…

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17 d17 dEngineerEngineer posted:
Which Slab is Better? Waffle Pod or Raft Concrete Slab???

There is a very good guide from the CSIRO - Foundation Maintenance and Footing Performance: A Homeowner's Guide. Drainage, tree effect and anything that will cause differential movement around and…

17 d17 dEngineerEngineer posted:
Which Slab is Better? Waffle Pod or Raft Concrete Slab???

AS2870 - the Residential slabs and footings code has several "deem to comply" slabs. Deemed to comply means that engineers can follow the code and get it right, hopefully 100%…

17 d17 dEngineerEngineer posted:
Demolition questions

There should be no reason for the original structural engineer not to take your calls. In fact they are key to this as they "own" the design of the slab…

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17 d17 dEngineerEngineer posted:
H Slab - Screw Piles

Sort off stumbled across this forum so will attempt to assist.
The depth of pile should be according to AS2870 table 2.5. This table relates suction change (Hs) with climatic zone.…

  ⋅  1

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Professional Engineer

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Building Industry

Joined homeone
6 February 2019

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