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Questions and Answers
Granular soils, such as sand, typically exhibit which of the following properties?
Granular soils, such as sand, typically exhibit which of the following properties?
- High cohesion and low internal friction
- Low cohesion and high internal friction (correct)
- Low cohesion and low internal friction
- High cohesion and high internal friction
Which parameter describes the resistance of soil to shear deformation due to friction between soil particles?
Which parameter describes the resistance of soil to shear deformation due to friction between soil particles?
- Density
- Cohesion
- Angle of internal friction (correct)
- Porosity
Which criterion is commonly used to describe the relationship between shear stress and normal stress on a plane within a soil mass?
Which criterion is commonly used to describe the relationship between shear stress and normal stress on a plane within a soil mass?
- Mohr-Coulomb failure criterion (correct)
- Archimedes' principle
- Bernoulli's principle
- Hooke's Law
Failure in soil occurs when the shear stress on a plane reaches a critical value determined by which of the following?
Failure in soil occurs when the shear stress on a plane reaches a critical value determined by which of the following?
Which type of soil is primarily composed of organic matter and lacks significant cohesion?
Which type of soil is primarily composed of organic matter and lacks significant cohesion?
What effect does an increase in moisture content typically have on the shear strength of cohesive soils?
What effect does an increase in moisture content typically have on the shear strength of cohesive soils?
What type of stresses does a triaxial shear test involve?
What type of stresses does a triaxial shear test involve?
What is indicated by the Mohr-Coulomb failure envelope passing through the origin for a soil sample with no cohesion?
What is indicated by the Mohr-Coulomb failure envelope passing through the origin for a soil sample with no cohesion?
What does the intersection point of the Mohr-Coulomb failure envelope with the shear stress axis represent?
What does the intersection point of the Mohr-Coulomb failure envelope with the shear stress axis represent?
What are the primary shear strength parameters of soil?
What are the primary shear strength parameters of soil?
What type of soils are often tested using the triaxial shear test?
What type of soils are often tested using the triaxial shear test?
What is the main purpose of a consolidation test?
What is the main purpose of a consolidation test?
What is the effect of faster shearing rates on the measured shear strength of clayey soils?
What is the effect of faster shearing rates on the measured shear strength of clayey soils?
What is the primary reason for applying a confining pressure in a triaxial shear test on a sandy soil sample?
What is the primary reason for applying a confining pressure in a triaxial shear test on a sandy soil sample?
What is a limitation of the direct shear test in determining failure planes?
What is a limitation of the direct shear test in determining failure planes?
What is the effect of slower shearing rates on the shear strength of clayey soils?
What is the effect of slower shearing rates on the shear strength of clayey soils?
Why is the triaxial shear test preferred over the direct shear test for some soil types?
Why is the triaxial shear test preferred over the direct shear test for some soil types?
What is the effect of confining pressure on the shear strength of a sandy soil sample?
What is the effect of confining pressure on the shear strength of a sandy soil sample?
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