Question

Discuss various methods of drilling holes for sub surface investigation

Answer 1

Answer:

Hey dude..

1. Displacement Boring. It is combined method of sampling & boring operation.

2. Wash Boring. It is a popular method due to the use of limited equipments.

3. Auger Boring. Augers.

4. Rotary Drilling. Rotary drilling method of boring is useful in case of highly resistant strata.

5. Percussion Drilling.

6. Continuous Sampling.

Hope you understand!!