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# PPT - Shear Strength of Soils Civil Engineering (CE) Notes | EduRev

## Civil Engineering (CE) : PPT - Shear Strength of Soils Civil Engineering (CE) Notes | EduRev

``` Page 1

Shear Strength of Soil
Page 2

Shear Strength of Soil
• Shear strength in soils
– Introduction
– Definitions
• Mohr-Coulomb criterion
– Introduction
– Lab tests for getting the shear strength
• Direct shear test
– Introduction
– Procedure & calculation
– Critical void ratio
Class Outlines
Page 3

Shear Strength of Soil
• Shear strength in soils
– Introduction
– Definitions
• Mohr-Coulomb criterion
– Introduction
– Lab tests for getting the shear strength
• Direct shear test
– Introduction
– Procedure & calculation
– Critical void ratio
Class Outlines
Shear Strength
• The strength of a material is the
greatest stress it can sustain;
• So that the unit of strength is the same
as stress (Pa in SI unit system);
Page 4

Shear Strength of Soil
• Shear strength in soils
– Introduction
– Definitions
• Mohr-Coulomb criterion
– Introduction
– Lab tests for getting the shear strength
• Direct shear test
– Introduction
– Procedure & calculation
– Critical void ratio
Class Outlines
Shear Strength
• The strength of a material is the
greatest stress it can sustain;
• So that the unit of strength is the same
as stress (Pa in SI unit system);
Significance of Shear Strength
• The safety of any geotechnical structure
is dependent on the strength of the soil;
• If the soil fails, the structure founded on
it can collapse.
• Understanding shear strength is the
basis to analyze soil stability problems
like:
– lateral pressure on earth retaining
structures (Chs. 12, 13),
– slope stability (Ch. 14), and
– bearing capacity (Ch. 15).
Page 5

Shear Strength of Soil
• Shear strength in soils
– Introduction
– Definitions
• Mohr-Coulomb criterion
– Introduction
– Lab tests for getting the shear strength
• Direct shear test
– Introduction
– Procedure & calculation
– Critical void ratio
Class Outlines
Shear Strength
• The strength of a material is the
greatest stress it can sustain;
• So that the unit of strength is the same
as stress (Pa in SI unit system);
Significance of Shear Strength
• The safety of any geotechnical structure
is dependent on the strength of the soil;
• If the soil fails, the structure founded on
it can collapse.
• Understanding shear strength is the
basis to analyze soil stability problems
like:
– lateral pressure on earth retaining
structures (Chs. 12, 13),
– slope stability (Ch. 14), and
– bearing capacity (Ch. 15).
Shear Failure in Soils
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## Soil Mechanics

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