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Write the assumptions made by Coulomb in developing earth pressure theory.
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ASSUMPTIONS

  • The backfill is dry,cohesion less,,homogeneous and isotropic.
  • The backfill surface can be planer or inclined.
  • The back of the wall can be inclined to the vertical.
  • Friction is considered between wall material and soil.
  • The sliding wedge is considered as a rigid body.
  • The position and line of action of earth pressure will be known in advance.
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