Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 2 (Q.No. 6)
6.
Percussion drilling is unsuitable in
unconsolidated sand
unconsolidated gravel
quick sand
consolidated rocks.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.

Rakesh Joshi said:   1 year ago
The percussion method of drilling the well hole is also known as the cable method of drilling.

It is ineffective in loose material because of the slumping and caving of the material around the drilling bit. This method is useful for cutting consolidated rocks from soft clay to the hardest rocks.


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