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Which one of the following is the purpose of providing the downstream sheet pile in a barrage?
  • a)
    To control failure due to piping by high value of exit gradient
  • b)
    To control failure due to scour
  • c)
    To stop failure due to sliding
  • d)
    To stop failure due to uplift pressure
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which one of the following is the purpose of providing the downstream ...
Water that percolates through earth dams and their foundations can carry soil particles that are free to migrate. The seepage forces tend to cause the erodible soil to move towards the downstream face of the dam and can cause failure of the dam which is known as piping failure. Downstream sheet pile is used to control failure due to piping.
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Which one of the following is the purpose of providing the downstream ...
Importance of Providing Downstream Sheet Pile in a Barrage
The purpose of providing a downstream sheet pile in a barrage is to control failure due to piping by high value of exit gradient. Let's break down why this is important:

Preventing Piping Failure
- Piping is a phenomenon where water seeps through the soil or foundation of a structure, creating channels that can lead to internal erosion and ultimately failure.
- By providing a downstream sheet pile, the exit gradient can be controlled to prevent excessive seepage and piping failure.
- The sheet pile acts as a barrier to prevent water from seeping through, reducing the risk of piping.

Exit Gradient Control
- The exit gradient refers to the slope of the water flow as it exits the structure. A high exit gradient can lead to increased seepage and piping.
- The downstream sheet pile helps to control and reduce the exit gradient, ensuring that water flows out of the barrage structure at a safe and controlled rate.
- This helps to prevent erosion and failure due to piping, ensuring the stability and longevity of the barrage.
In conclusion, providing a downstream sheet pile in a barrage is essential for controlling failure due to piping by regulating the exit gradient. This measure helps to maintain the integrity of the structure and prevent potential issues that could arise from excessive seepage.
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Which one of the following is the purpose of providing the downstream sheet pile in a barrage?a)To control failure due to piping by high value of exit gradientb)To control failure due to scourc)To stop failure due to slidingd)To stop failure due to uplift pressureCorrect answer is option 'A'. Can you explain this answer?
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Which one of the following is the purpose of providing the downstream sheet pile in a barrage?a)To control failure due to piping by high value of exit gradientb)To control failure due to scourc)To stop failure due to slidingd)To stop failure due to uplift pressureCorrect answer is option 'A'. 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 Which one of the following is the purpose of providing the downstream sheet pile in a barrage?a)To control failure due to piping by high value of exit gradientb)To control failure due to scourc)To stop failure due to slidingd)To stop failure due to uplift pressureCorrect answer is option 'A'. 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 Which one of the following is the purpose of providing the downstream sheet pile in a barrage?a)To control failure due to piping by high value of exit gradientb)To control failure due to scourc)To stop failure due to slidingd)To stop failure due to uplift pressureCorrect answer is option 'A'. Can you explain this answer?.
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