Building Construction
Negative skin friction

Both (A) and (B)
Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile
Develops due to lowering of ground water
Neither (A) not (B)

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Building Construction
In clay soil

Consolidation continues even after several years of construction
All listed here
Differential settlement is generally prevalent
Swelling and shrinkage characteristics prevail

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Building Construction
Depth or height of the arch is the

Vertical distance between springing line and intrados
None of these
Perpendicular distance between springing line and extrados
Perpendicular distance between intrados and extrados

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