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Soil Mechanics and Foundation Engineering - Engineering

Q1:

Pick up the correct definition from the following:

A The lateral pressure exerted by the soil when the retaining wall moves away from the back fill, is generally known as active earth pressure of the soil

B The lateral pressure exerted by the soil when the retaining wail moves towards the soil, is generally known as 'Passive earth pressure of the soil'

C The lateral pressure exerted by the soil when the retaining wall has no movement relative to the back fill, is known as 'earth pressure at rest of the soil'

D All the above.

ANS:D - All the above.

  • Active earth pressure: This refers to the lateral pressure exerted by the soil against a retaining wall when the wall moves away from the backfill. It is typically associated with the condition where the soil is trying to push the wall over.
  • Passive earth pressure: This refers to the lateral pressure exerted by the soil against a retaining wall when the wall moves towards the soil. It is typically associated with the condition where the soil is trying to prevent the wall from moving further into the backfill.
  • Earth pressure at rest: This refers to the lateral pressure exerted by the soil against a retaining wall when the wall has no movement relative to the backfill. It represents the condition where the soil is at rest and exerting pressure against the wall without any movement.
Therefore, the correct option is "All the above."