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Question
Consider the following statements:
1. Quick condition and liquefaction of saturated sands are based on similar phenomenon.
2. Quick condition is associated with only earth dams.
3. Liquefaction is possible in dry sand also.
4. Liquefaction is associated with increse in pore water pressure due to vibrations.
Which of these statements are correct?
A.
2 and 4
B.
1 and 4
C.
1 and 2
D.
1, 3 and 4
Answer ( Option B)

1 and 4

Solution

• In both the conditions, quick condition and liquefaction of saturated sand, effective stress reduces and soil looses it's shear strength.
• In liquefaction, effective stress reduces due to increase in pore water pressure. So liquefaction is not possible in dry condition.

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