4 The following phenomenon a saturated sandy or silty soil b

4. The following phenomenon (a saturated sandy or silty soil behave like liquid) is called -2 How much is the effective stress (> 0, = 0, or

Quick Sand condition/Quick condition/Boiling condition,

Effective stress is zero(For upward seepage condtion )

Quick condition doesnot change with time

Total stress and effective stress , pore water pressure same during that time period