Practice Total Stress - 1.1 | 8. Stresses in the Ground | Geotechnical Engineering - Vol 1
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1.1 - Total Stress

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define total stress in soil mechanics.

💡 Hint: Think about what contributes to the pressure at a depth.

Question 2

Easy

What is the formula for calculating total stress?

💡 Hint: Remember the elements involved in the formula.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is total stress defined by?

  • Weight of soil above
  • Weight of water only
  • Weight of air only

💡 Hint: Think about what contributes to the pressure in the ground.

Question 2

True or False: Pore water pressure increases when the water table rises.

  • True
  • False

💡 Hint: Recall the relationship between water table height and pore pressure.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A construction site is excavating down to 10 meters in saturated clay with a unit weight of 20 kN/m³. If the water table is at 5 meters, calculate the expected total stress at the depth of 10 meters. Discuss the implications on effective stress if pore water pressure is also identified.

💡 Hint: Consider both the weight of the soil and the water when calculating total stress.

Question 2

Explain how changes in water table levels during heavy rainfall could impact the stability of a retaining wall constructed in sandy soil. Include calculations for how much the pore water pressure changes with a water table rise of 2 meters.

💡 Hint: Evaluate how changes in pore water pressure influence effective stress and subsequently wall stability.

Challenge and get performance evaluation