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The following refer to the stability analysis of an earth dam under different conditions:
1. Stability of D/S slope during steady seepage.
2. Stability of D/S slope during sudden drawdown.
3. Stability of U/S and D/S slopes during construction.
Which of these statements are correct?
1. Stability of D/S slope during steady seepage.
2. Stability of D/S slope during sudden drawdown.
3. Stability of U/S and D/S slopes during construction.
Which of these statements are correct?
- a)1 and 2
- b)1 and 3
- c)2 and 3
- d)1, 2 and 3
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
The following refer to the stability analysis of an earth dam under di...
For earth dam during steady seepage, the critical condition occurs for D/S slope. For rapid drawdown case U/S slope represents critical condition. In both cases the pore water pressure is determined from flow net.
During construction, the excess pore pressure is likely to develop and stability of U/S and D/S slopes during or immediately after construction should be considered.
During construction, the excess pore pressure is likely to develop and stability of U/S and D/S slopes during or immediately after construction should be considered.
Most Upvoted Answer
The following refer to the stability analysis of an earth dam under di...
Stability Analysis of an Earth Dam
Stability analysis of an earth dam is a crucial step in determining its safety and reliability. Different conditions can affect the stability of an earth dam, and it is essential to analyze each condition to ensure the dam's stability. The given question is about the stability analysis of an earth dam under three different conditions.
1. Stability of D/S slope during steady seepage
The steady seepage condition is when the water seeping through the dam is constant and does not change with time. The stability analysis of the downstream (D/S) slope during steady seepage is crucial as it affects the dam's overall stability. The factors that affect the stability of the D/S slope during steady seepage are:
- The soil properties of the dam and the downstream slope
- The seepage force acting on the downstream slope
- The geometry of the downstream slope
- The hydraulic conductivity of the soil
2. Stability of D/S slope during sudden drawdown
Sudden drawdown is a condition when the water level in the dam decreases rapidly. This condition can cause instability in the downstream (D/S) slope of the earth dam. The factors that affect the stability of the D/S slope during sudden drawdown are:
- The soil properties of the dam and the downstream slope
- The pore water pressure generated during the sudden drawdown
- The geometry of the downstream slope
- The hydraulic conductivity of the soil
3. Stability of U/S and D/S slopes during construction
The stability of the upstream (U/S) and downstream (D/S) slopes during construction is crucial as the dam's stability depends on it. During the construction of the dam, the slopes are subjected to different loads and stresses, and it is essential to analyze their stability. The factors that affect the stability of the U/S and D/S slopes during construction are:
- The soil properties of the dam and the slopes
- The loads and stresses acting on the slopes during construction
- The geometry of the slopes
Answer:
Option B (1 and 3) is correct. The stability analysis of the downstream slope during steady seepage and the stability of the upstream and downstream slopes during construction are essential. The stability analysis of the downstream slope during sudden drawdown is also crucial, but it is not mentioned in option B.
Stability analysis of an earth dam is a crucial step in determining its safety and reliability. Different conditions can affect the stability of an earth dam, and it is essential to analyze each condition to ensure the dam's stability. The given question is about the stability analysis of an earth dam under three different conditions.
1. Stability of D/S slope during steady seepage
The steady seepage condition is when the water seeping through the dam is constant and does not change with time. The stability analysis of the downstream (D/S) slope during steady seepage is crucial as it affects the dam's overall stability. The factors that affect the stability of the D/S slope during steady seepage are:
- The soil properties of the dam and the downstream slope
- The seepage force acting on the downstream slope
- The geometry of the downstream slope
- The hydraulic conductivity of the soil
2. Stability of D/S slope during sudden drawdown
Sudden drawdown is a condition when the water level in the dam decreases rapidly. This condition can cause instability in the downstream (D/S) slope of the earth dam. The factors that affect the stability of the D/S slope during sudden drawdown are:
- The soil properties of the dam and the downstream slope
- The pore water pressure generated during the sudden drawdown
- The geometry of the downstream slope
- The hydraulic conductivity of the soil
3. Stability of U/S and D/S slopes during construction
The stability of the upstream (U/S) and downstream (D/S) slopes during construction is crucial as the dam's stability depends on it. During the construction of the dam, the slopes are subjected to different loads and stresses, and it is essential to analyze their stability. The factors that affect the stability of the U/S and D/S slopes during construction are:
- The soil properties of the dam and the slopes
- The loads and stresses acting on the slopes during construction
- The geometry of the slopes
Answer:
Option B (1 and 3) is correct. The stability analysis of the downstream slope during steady seepage and the stability of the upstream and downstream slopes during construction are essential. The stability analysis of the downstream slope during sudden drawdown is also crucial, but it is not mentioned in option B.
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The following refer to the stability analysis of an earth dam under different conditions:1. Stability of D/S slope during steady seepage.2. Stability of D/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Which of these statements are correct?a)1 and 2b)1 and 3c)2 and 3d)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?
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The following refer to the stability analysis of an earth dam under different conditions:1. Stability of D/S slope during steady seepage.2. Stability of D/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Which of these statements are correct?a)1 and 2b)1 and 3c)2 and 3d)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The following refer to the stability analysis of an earth dam under different conditions:1. Stability of D/S slope during steady seepage.2. Stability of D/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Which of these statements are correct?a)1 and 2b)1 and 3c)2 and 3d)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The following refer to the stability analysis of an earth dam under different conditions:1. Stability of D/S slope during steady seepage.2. Stability of D/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Which of these statements are correct?a)1 and 2b)1 and 3c)2 and 3d)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?.
The following refer to the stability analysis of an earth dam under different conditions:1. Stability of D/S slope during steady seepage.2. Stability of D/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Which of these statements are correct?a)1 and 2b)1 and 3c)2 and 3d)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The following refer to the stability analysis of an earth dam under different conditions:1. Stability of D/S slope during steady seepage.2. Stability of D/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Which of these statements are correct?a)1 and 2b)1 and 3c)2 and 3d)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The following refer to the stability analysis of an earth dam under different conditions:1. Stability of D/S slope during steady seepage.2. Stability of D/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Which of these statements are correct?a)1 and 2b)1 and 3c)2 and 3d)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?.
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