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

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

12 months

6 months

24 months

3 months

12 months

6 months

24 months

3 months

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Soil Mechanics and Foundation
A plane inclined at an angle ‘φ’ to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as

All listed here

The φ line

Repose line

Natural slope line

All listed here

The φ line

Repose line

Natural slope line

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Soil Mechanics and Foundation
According to IS classification, the range of silt size particles is

0.425 mm to 0.075 mm

4.75 mm to 2.00 mm

0.075 mm to 0.002 mm

2.00 mm to 0.425 mm

0.425 mm to 0.075 mm

4.75 mm to 2.00 mm

0.075 mm to 0.002 mm

2.00 mm to 0.425 mm

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Soil Mechanics and Foundation
Which of the following methods is best suited for determination of permeability of coarse-grained soils ?

None of these

both the above

constant head method

falling head method

None of these

both the above

constant head method

falling head method

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Soil Mechanics and Foundation
Constant head permeameter is used to test permeability of

silt

coarse sand

fine sand

clay

silt

coarse sand

fine sand

clay

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Soil Mechanics and Foundation
In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as

unconsolidated undrained test

unconsolidated drained test

consolidated drained test

consolidated undrained test

unconsolidated undrained test

unconsolidated drained test

consolidated drained test

consolidated undrained test

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Soil Mechanics and Foundation

Soil Mechanics and Foundation A plane inclined at an angle ‘φ’ to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as

Soil Mechanics and Foundation According to IS classification, the range of silt size particles is

Soil Mechanics and Foundation Which of the following methods is best suited for determination of permeability of coarse-grained soils ?

Soil Mechanics and Foundation Constant head permeameter is used to test permeability of

Soil Mechanics and Foundation In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as

Soil Mechanics and Foundation
A plane inclined at an angle ‘φ’ to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as

Soil Mechanics and Foundation
According to IS classification, the range of silt size particles is

Soil Mechanics and Foundation
Which of the following methods is best suited for determination of permeability of coarse-grained soils ?

Soil Mechanics and Foundation
Constant head permeameter is used to test permeability of

Soil Mechanics and Foundation
In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as