How To Build and Setup a Concrete Foundation For Houses - Amazing Techniques Construction - Part 1
Structure of the raft foundation
The raft foundation consists of a thin layer of concrete lining, the foundation slab spreads under the entire building, the foundation beam.
A basic raft foundation must have all of the following elements according to the construction industry's technical standards:
- The layer of concrete floor must be 10cm thick.
- Standard footing height is: 3200mm.
- Standard footing beam size: 300×700(mm).
- Standard foundation steel: 2 layers of steel Φ12a200.
- Standard beam steel: longitudinal steel 6Φ(20-22), belt steel Φ8a150.
The raft foundation is the best solution for buildings with basements, warehouses or toilets, tanks or swimming pools.
Suitable for small projects such as level 4 houses, 1-3 storey houses because of its low cost and quick construction time.
It is best to build in areas with low construction density, less 2-way impact when near neighboring works.
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