Types of Foundation which is in Syllabus of FE BCEE. So take it and explain it!!!!

1. SUBSTRUCTURE: -
 Lower portion of building
 Transfer the load
 Foundation
 Functions of Foundation: -
1. Reduction of load intensity
2. Even distribution of load
3. Provision of level surface
4. Lateral stability
5. Safety against undermining
6. Protection against soil movements

2. TYPES OF FOUNDATION: -
1. SHALLOW FOUNDATION
2. DEEP FOUNDATION

3. Shallow Foundation: -
1. Spread Footing: -

7. 2. Combined Footing: -

9. 3. Strap Footing

11. 4. Mat or Raft Footing: -

12. Failure of Foundation: -
 Non-uniform settlement of subsoil and masonry
 Horizontal movement of the soil adjacent to structure
 Alternate swelling and shrinkage in wet and dry cycles of the
seasons
 Lateral pressure due to lateral movement of earth tending to
overturn the structure
 Lateral escape of soil
 Roots of trees and shrubs