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What kind of calculations do building control needs for floor slab foundation?
Raft/slab foundation calculations
- Thread starter Master Yoda
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Raft foundation basics | LABC
A raft foundation is a reinforced concrete slab under the whole of a building or extension, 'floating' on the ground as a raft floats on water. This type of foundation spreads the load of the building over a larger area than other foundations, lowering the pressure on the ground. This is an...
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You need a structural engineer to do a drawing and calcs
They will provide details suitable for building regulation compliance
And you will probably need the S/E to do do a bending schedule as well
Builders are often not experienced at rafts, they don’t always know how to do the shuttering, I’ve seen them try to avoid doing the step around the outside.
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