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Soil Mechanics and Foundation

Soil Mechanics and Foundation
If the plasticity index of a soil mass is zero, the soil is

clay
clayey silt
silt
sand

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Soil Mechanics and Foundation
During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 “N/mm². Skempton’s pore pressure parameter B is

0.5
2
-0.5
-2

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Soil Mechanics and Foundation
A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of

10°
17°
12°
7°

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Soil Mechanics and Foundation
For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

dry of OMC and wet of OMC
wet of OMC and wet of OMC
wet of OMC and dry of OMC
dry of OMC and dry of OMC where OMC is optimum moisture content

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Soil Mechanics and Foundation
Effective stress is

All of these
the stress at particles contact
a physical parameter that can be measured
important because it is a function of engineering properties of soil

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Soil Mechanics and Foundation
Rankine’s theory of earth pressure assumes that the back of the wall is

vertical and smooth
plane and smooth
vertical and rough
plane and rough

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MORE MCQ ON Soil Mechanics and Foundation

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