Question Bank: Important Long Questions

Chapter 5

FOUNDATIONS

I. Answer the following:

1. What are the factors to be considered in the selection of a suitable site?

2. What are the requirements of good foundation?

3. Describe the components of a building with a neat sketch.

4. Write short notes on: a) Course b) Perpends

5. Write short notes on: Damp Proof Course, Sunshade, Weathering Course and Parapet Wall

6. Explain the several functions of foundations in a civil structure.

7. Discuss the classification of soils, their constituents and uses.

8. Define the terms: (i) Bearing capacity of soil (ii) Ultimate bearing capacity of soil (iii) Safe bearing capacity of soil (iv) Allowable soil pressure.

9. Discuss the different methods of improving the bearing capacity of soil. Discuss in detail the various requirements of good foundations for a building.

10. What are the various possible foundation failures, their causes and pre-cautions?

11. Write brief notes on: (i) Lateral escape of soil (ii) Shrinkage of subsoil

(iii) Sliding of soil (iv) Overturning

12. Discuss any two types of spread foundations with neat sketches.

13. Explain the types of combined footings with neat sketches. Mention their uses. 14. Discuss the following types of foundations with suitable sketches and state their uses: Raft Foundation and Well Foundation

15. What is a pile foundation? State its applications. List the classification of piles. 16. Describe the various types of pile foundations.

17. Explain the following with suitable sketches:

(i) Steel piles (iv) Friction Piles

(ii) Pre-cast Concrete piles (v) End Bearing Piles

(iii) Cast-in-situ concrete piles.

18. What is a pier? Name the types of piers. What are their uses?

19. Explain any one type of pier foundation with a neat sketch.

20. Describe the various requirements and design criteria for machine foundations.

21. Explain the following with suitable sketches:

(i) Block Foundation

(ii) Block and Trough Foundation

(iii) Framed Type Foundation