Target GATE & ESE 2022 (Geotechnical Engineering)

 Q.1 Consider the following:

1. Closing the drainage valve.

2. Opening the drainage valve

3. Applying cell pressure

4. Shearing

What is the correct sequence of operation for conducting CU triaxial test?

(a) 1-2-3-4                   (b) 3-2-1-4

(c) 2-1-3-4                   (d) 2-3-1-4

Q.2 The unconfined compressive strength of pure clay soil is 100 kN/m^2. What is the value of cohesion of the soil in kN/m^2?

(a) 200       (b) 100       (c) 75        (d) 50

Q.3 Assertion(A): Total stress analysis is adopted for long term stability problems.

      Reason (R): Total stresses and effective stresses are numerically the same after excess pore water pressure is dissipated.

(a)             (b)             (c)              (d)

Q.4 The confining pressure and the deviator stress on a triaxial sample are, respectively 100 kN/m^2 and 300 kN/m^2. What is the normal stress acting the plane of maximum shear stress?

(a) 150 kN/m^2                (b) 200 kN/m^2

(c) 250 kN/m^2               (d) 400 kN/m^2

Q.5 What is the appropriate field test to determine the in-situ undrained shear strength of a soft clay?

(a) Static cone penetration test (SCPT)

(b) Standard penetration test (SPT)

(c) Plate load test

(d) Vane shear test

                                       Happy Learning