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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for total stress at a certain depth?
💡 Hint: Remember that γ is the unit weight of the soil.
Question 2
Easy
Define pore water pressure in simple terms.
💡 Hint: Think about how water behaves in soil.
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 the formula for effective stress?
💡 Hint: Remember the relationship defined by Terzaghi.
Question 2
True or False: Pore water pressure is zero at the water table.
💡 Hint: Think about the definitions of water table and pressure.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A construction site has a loading of 50 kN/m² applied on the surface. If the unit weight of the soil is 18 kN/m³ and the depth of interest is 4 m below the surface, calculate the effective stress at that depth when the pore water pressure is 10 kN/m².
💡 Hint: Use the formulas for total and effective stress!
Question 2
Discuss how negative pore pressure could affect the effective stress in a partially saturated soil above the water table, especially in terms of capillary rise.
💡 Hint: Consider suction effects and water dynamics in soils!
Challenge and get performance evaluation