In a soil specimen, the total stress, effective stress, hydraulic gradient and critical hydraulic gradient are \sigma, \sigma ', i and i_{c}, respectively. For initiation of quicksand condition, which one of the following statement is TRUE?

Correct Answer is : σ′=0 and i=ic

\sigma^{'}=0 and {i} \neq {i}_{ {c}}

\sigma^{\circ} \neq 0 and {i} \neq {i}_{ {c}}

\sigma^{'}=0 and {i}= {i}_{ {c}}

GATE Civil Engineering (CE) 2019 Shift 1 Solved Paper

Question : 11 of 65

Marks: +1, -0

In a soil specimen, the total stress, effective stress, hydraulic gradient and critical hydraulic gradient are

σ, σ

i

and

i_{c}

, respectively. For initiation of quicksand condition, which one of the following statement is TRUE?

Solution:

During quick sand condition, the effective stress is reduced to zero [i.e,

σ^{'}=0

]

Go to Question:

Prev Question

Next Question