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Geotechnical Engineering 2 > For Midterm > Flashcards

For Midterm Flashcards

1
Q

Stress due to soil and water only

A

Geostatic Stress

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2
Q

Stress due to construction of fills and foundations

A

Induced Stress

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3
Q

Stress perpendicular to the plane

A

Normal Stress

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4
Q

Stress parallel to the plane

A

Shear Stress

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5
Q

Plane without shear stress

A

Principal Plane

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6
Q

If the planes are parallel, stress are _____

A

equal

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7
Q

Condition where Effective stress is zero

A

Boiling or Quick Condition

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8
Q

If OCR=1

A

Normally Consolidated

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9
Q

If OCR >1

A

Overconsolidated

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10
Q

If OCR<1

A

Under consolidated

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11
Q

The internal resistance per unit area that the soil mass can offer to resist failure

A

Shear Strength

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12
Q

A material fails not because due to maximum Normal stress and Shearing Stress

A

Mohr

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13
Q

The relationship between Normal and Shear Stress is linear

A

Coulomb

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14
Q

Other term for the angle of internal friction

A

Angle of shearing resistance

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15
Q

Other term for minimum principal stress

A
  • Confining pressure
  • Lateral Pressure
  • Radial Stress
  • Cell Pressure
  • Chamber Pressure
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16
Q

Other for the additional pressure

A
  • Deviator Stress

- Plunger Stress

17
Q

Other term for maximum principal stress

A

Axial Stress

18
Q

2 components of shear strength

A

Cohesive and Frictional

19
Q

Angle of Internal Friction is 0

Cohesion is also 0

A

Granular Soils

20
Q

Angle of Internal Friction is -

Cohesion is greater than 0

A

Saturated

Example: Plastic Clay

21
Q

Angle of Internal Friction is greater than 0

Cohesion is also greater than 0

A

General Case

22
Q

In Direct Shear Test (DST), constant rate of shear displacement is applied.

A

Strain controlled test

23
Q

In Direct Shear Test (DST), shear force is applied in equal increments

A

Stress Controlled Test

24
Q

Dead weight is applied, compressive axial stresses at a constant rate and hydraulic pressure in all directions.

A

Triaxial Shear Test

25
Q

Shear test where soil is always saturated

A

Triaxial Shear Test

26
Q

Saturated specimen is subjected to an all-around confining pressure. Pore water pressure increases, drainage is then opened, excess water is dissipated and consolidation will occur.

A

Consolidated Drained Test (CD Test)

27
Q

Soil drainage remains closed.

A

Consolidated Undrained Test (CU Test)

28
Q

Pressures (exerted) and forces extended by the earth to retaining structures

A

Lateral Earth Pressure

Geotechnical Engineering 2 (1 decks)

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