Question:
If a clay deposit undergoes an ultimate consolidation settlement of 45mm under single drainage condition, the ultimate consolidation settlement of the same clay deposit under double drainage condition will be ___
If a clay deposit undergoes an ultimate consolidation settlement of 45mm under single drainage condition, the ultimate consolidation settlement of the same clay deposit under double drainage condition will be ___
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For consolidation settlements, remember that double drainage results in half the settlement compared to single drainage.
Updated On: May 3, 2025
- 90mm
- 22.5mm
- 45mm
- 55mm
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The Correct Option is B
Solution and Explanation
For double drainage, the settlement is halved compared to single drainage because the drainage occurs from both sides. Therefore, the ultimate consolidation settlement under double drainage will be half of the settlement under single drainage. Hence, the correct answer is 22.5mm.
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