Soil Mechanics and Foundation
Which one of the following clays behaves like a dense sand ?

under-consolidated clay
over-consolidated clay with a low over-consolidation ratio
over-consolidated ciay with a high over-consolidation ratio
normally consolidated clay

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Soil Mechanics and Foundation
The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is

Inclined at 45° to the vertical plane
Vertical if the soil is in an active state of plastic equilibrium
Vertical if the soil is in a passive state of plastic equilibrium
None of these

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