Types of foundations are
- Isolated footings
- Combined footings
- Continuous footings
- Strap footings
- Raft foundation
- Pile foundations
- Well foundations
The use of these foundation is made in the following conditions:
S.No |
Types of foundation |
When Provided |
1 | Isolated footings | Single Columns |
2 | Combined footings | Two or more columns |
3 | Continuous footings | Walls (brick or R.C.C. walls) |
4 | Strap footings | Distant (far-away) columns especially when one of them is near the edge of the property or plot. |
5 | Raft foundation | When soil has low bearing capacity and area of combined / isolated is more than 50% of the building plan |
6 | Pile foundations | When loads are heavy, soil has poor bearing capacity |
7 | Well foundations | For bridges, river etc. |