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Question
A soil mass under seepage has a downward flow of water. Which of the following statements are correct with regard to stresses at any point in the soil mass?
1. Effective stress is decreased by an amount equal to the seepage force
2. Effective stress is increased by an amount equal to the seepage force
3. Total stress will change
4. Total stress will be unaltered
Select the correct answer using the codes given below:
A soil mass under seepage has a downward flow of water. Which of the following statements are correct with regard to stresses at any point in the soil mass?
1. Effective stress is decreased by an amount equal to the seepage force
2. Effective stress is increased by an amount equal to the seepage force
3. Total stress will change
4. Total stress will be unaltered
Select the correct answer using the codes given below:
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Solution
The correct option is D 2and 4
In the case of downward flow of water the pore pressure is decreased and effective stress increased. Total stress remains unaltered in the flow.
In the case of downward flow of water the pore pressure is decreased and effective stress increased. Total stress remains unaltered in the flow.
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