State the correct answer. Also, provide reasons to justity the statement in your

Question

State the correct answer. Also, provide reasons to justity the statement in your answer book along with the question number. (i) The degree of saturation of a compacted clayey sample at optimum moisture condition is always lower than 100% irrespective of the compaction energy used. ii The plastic limit of a bentonite can be greater than the liquid limit value T (i) The stresses associated with a structure in an elastic, homogeneous soilTF (iv) The shear strength an overconsolidated clay sample is higher when the TF (v) The angle of internal friction of clayey soil () measured from increases with depth. pore-water pressure is negative. consolidated undrained conditions(without mcasuring the pore-water pressures) is always lower than the angle internal friction ( ) for the same measured under consolidated drained conditions.

Explanation / Answer

1) True

At Optimum Moisture content, the soil has maximum dry density. If the soil is fully saturated, the soil cannot accheive maximum dry density at that water content ( Full saturation)

2) True

Bentonite soil has very high plastic limit. It is possible for soils to have plastic limit greater than liquid limit.

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