Multiple choice

When a retaining wall moves away from the back-fill, the pressure exerted on the wall is termed as

  1. passive earth pressure

  2. swelling pressure

  3. pore pressure

  4. active earth pressure
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 Active earth pressure - When there is a horizontal strain and retaining wall moves away from bachfill. Passive earth pressure - When retaining wall moves toward the backfill. Pore pressure - Neutral pressure and constant in all directions.

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