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Why are weep holes provided at the back of retaining walls?
  • a)
    To reduce the active earth pressure on the walls.
  • b)
    To reduce the build-up of hydrostatic pressure.
  • c)
    To provide better compaction.
  • d)
    To increase the passive earth pressure.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Why are weep holes provided at the back of retaining walls?a)To reduce...
The correct answer is b) To reduce the build-up of hydrostatic pressure.
Weep holes are small openings that are provided in retaining walls to allow water to drain from behind the wall. They are typically located near the base of the wall, and their purpose is to reduce the build-up of hydrostatic pressure that can occur when water collects behind the wall.

If water is allowed to accumulate behind a retaining wall, it can exert a significant amount of pressure on the wall, which can lead to structural damage or failure. By providing weep holes, the water can drain away from the wall, reducing the hydrostatic pressure and helping to prevent damage to the wall. Weep holes can be especially important in areas where the wall is likely to be subjected to heavy rain or other sources of water infiltration.
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Why are weep holes provided at the back of retaining walls?a)To reduce...
Introduction:
Weep holes are small openings provided at the back of retaining walls to allow the drainage of water. They play a crucial role in preventing the build-up of hydrostatic pressure behind the wall.
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Why are weep holes provided at the back of retaining walls?a)To reduce the active earth pressure on the walls.b)To reduce the build-up of hydrostatic pressure.c)To provide better compaction.d)To increase the passive earth pressure.Correct answer is option 'B'. Can you explain this answer?
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