9.4.2 - Impacts of water table changes
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is effective stress?
💡 Hint: Think about how water impacts weight.
What happens to effective stress when the water table falls?
💡 Hint: Consider the effects of decreased water pressure.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What happens to effective stress when the water table rises?
💡 Hint: Think about how water pressure impacts the load.
True or False: Effective stress is the difference between total stress and pore water pressure.
💡 Hint: Revisit the basic definition from the session.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A soil layer has a total stress of 100kPa and a pore water pressure of 40kPa. Calculate the effective stress and discuss what happens if the water table rises 5m, increasing pore pressure by 10kPa.
💡 Hint: Use σ' = σ - u and factor in the changes.
Consider a construction site near a river in monsoon seasons. Outline potential risks due to changes in the water table and devise strategies to mitigate these hazards.
💡 Hint: Think about practical ways to ensure stability and safety.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.