Question

Some facts about pile foundation is given below. Find the correct combination:-

i. Loads are heavy

ii. Loads are light

iii. Soil stratum near ground surface is week

iv. Soil stratum near ground surface is strong

1. (ii) and (iv)
2. (i) and (iv)
3. (i) and (iii)
4. (ii) and (iii)

Answer 1

Correct Answer - Option 3 : (i) and (iii)

Explanation:

Pile foundation:

• In the situation where the soil is poor at shallow depth in order to transmit the load safely and load is heavy, the depth of foundation has to be increased till a suitable, soil stratum is met. In view of increased depth, such foundation is called ​ Deep foundations. Pile, pier, well are examples of deep foundation.
• A pile is a relatively small diameter shaft that is driven or installed into the ground by suitable means.
• The piles are usually driven in groups to provide the foundation for the structure.