+1 vote
in Geotechnical Engineering II by (93.7k points)
The downward drag acting on a pile due to the movement of the surrounding is called ________

(a) Skin friction

(b) Negative skin friction

(c) Frictional force

(d) None of the mentioned

The question was asked by my school principal while I was bunking the class.

I'm obligated to ask this question of Group Action in Piles in portion Pile Foundations of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
Correct answer is (b) Negative skin friction

The best I can explain: Negative skin friction is downward drag acting on a pile due to the downward movement of the surrounding compressible soil relative to the pile.

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