Teaching HPSC Lecturer (Technical) Mock Test 2024 Soil Mechanics and Foundation Engineering Bearing Capacity Deep Foundation
Which of the following statement is correct regarding negative skin friction?
I. Negative skin friction is a downward drag acting on a pile due to the downward movement of the surrounding compressible soil relative to the pile
II. The magnitude of negative friction for granular soil is 'p.c.Lf' (where p = perimeter of the pile, c = cohesion of soil in zone of Lf, Lf = depth of fill or soil which is moving vertically)
1
Only II
2
Both I and II
3
Only I
4
Neither I nor II
5
Question Not Attempted