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

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

17°

10°

7°

12°

17°

10°

7°

12°

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Soil Mechanics and Foundation
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of

both cohesion and angle of internal friction

cohesion only

angle of internal friction only

both cohesion and angle of internal friction

cohesion only

angle of internal friction only

both cohesion and angle of internal friction

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Soil Mechanics and Foundation
In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on

both horizontal and vertical planes

horizontal plane only

all planes except horizontal and vertical planes

vertical plane only

both horizontal and vertical planes

horizontal plane only

all planes except horizontal and vertical planes

vertical plane only

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Soil Mechanics and Foundation
The slope of isochrone at any point at a given time indicates the rate of change of

pore water pressure with depth

effective stress with time

pore water pressure with time

effective stress with depth

pore water pressure with depth

effective stress with time

pore water pressure with time

effective stress with depth

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Soil Mechanics and Foundation
When the degree of saturation is zero, the soil mass under consideration represents

one phase system

three phase system

two phase system with soil and air

two phase system with soil and water

one phase system

three phase system

two phase system with soil and air

two phase system with soil and water

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Soil Mechanics and Foundation
Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. The time taken by clay layer B of the same thickness with double drainage and coefficient of consolidation Cv/2 to achieve the same degree of consolidation is

24 months

3 months

12 months

6 months

24 months

3 months

12 months

6 months

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Soil Mechanics and Foundation

Soil Mechanics and Foundation Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of

Soil Mechanics and Foundation In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on

Soil Mechanics and Foundation The slope of isochrone at any point at a given time indicates the rate of change of

Soil Mechanics and Foundation When the degree of saturation is zero, the soil mass under consideration represents

Soil Mechanics and Foundation
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of

Soil Mechanics and Foundation
In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on

Soil Mechanics and Foundation
The slope of isochrone at any point at a given time indicates the rate of change of

Soil Mechanics and Foundation
When the degree of saturation is zero, the soil mass under consideration represents