Practice Structure (1.3) - Factors Influencing Shear Strength - Geotechnical Engineering

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6 sample questions

Question 1.
What are the main factors influencing shear strength?
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Think of the characteristics of soil.
Question 2.
Define soil structure.
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Consider organization and packing.
3Question 3.
What is NOT a factor affecting shear strength?
- Soil Composition
- Initial State
- Humidity
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Consider the key factors discussed.
4Question 4.
True or False: The Mohr-Coulomb Failure Criterion states that shear strength is independent of normal stress.
- True
- False
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Think about the relationship defined in the theory.
Question 5.
Given a loose sandy soil and a dense clay soil under the same load, which will likely experience more deformation and why?
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Consider the properties of sandy versus clay soils.
Question 6.
Calculate the shear strength of a soil if the normal stress is 100 kPa and the shear stress at failure is given as 60 kPa based on the Mohr-Coulomb Failure Criteria.
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Consider how cohesion plays a role in the shear strength defined by the Mohr-Coulomb criteria.

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