The pad foundation
Building and Construction · Grade 10 · about 40 minutes
The foundation for a point load: what a pad is, where it is used, and how its size is worked out.
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- 6 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- What a foundation does
- The functional requirements of a foundation
- What the ground is made of
- Bearing capacity: pressure, not weight
- Settlement and differential settlement
- The strip foundation
- The pad foundation
- The raft foundation
- Sketching shallow foundations
- Choosing the foundation type
- Reading a foundation plan
- Datum, levels and the building line
- Setting out a right angle
- Profile boards and lines
- Setting out a building, step by step
- Checking squareness with the diagonals
- Excavating the trench
- Trench safety
- Water in the trench
- Levelling the trench bottom
- Concrete for foundations
- Placing and compacting the concrete
- Curing the concrete
- Foundation defects and their causes
- The whole foundation process