Today we put the finishing touches on the structural engineering for this beautiful house extension project in Holland Park. Design was by Neo Building Design. Our graduate engineer, Andrew Mackenzie, did the engineering design. We’re can’t wait to see the finished product!
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At Cornell Engineers we don’t subscribe the idea of using timber in direct contact with the dirt because of durability issues (early breakdown of timber that is constantly moist).
Because of this risk we tend not to design and certify timber retaining walls. We much prefer concrete masonry walls for structural retaining walls.
However if you really would prefer to use timber in a retaining wall then there’s a manual published by Timber Queensland that you should have a look at. Continue reading Timber Retaining Walls
I found this series of SpaceGass training videos on YouTube and thought they were worth sharing. They’re getting a bit old now (2010) but that’s the version we use at Cornell Engineers – and I suspect this version is still in use in quite a few small structural engineering consultancies.
Here’s a question about waffle slabs on Class H2 soil that we have been asked more than once:
“We have a soil test for our new house. It came back as Class H2. The builder we went to is planning on using a waffle slab. Will our house be ok?”
So let’s work out some of the terminology first and then I’ll explain what my advice was and why. Continue reading Waffle Slabs on H2 Class Soil