Coefficient of earth pressure at rest is__________________? A. less than active earth pressure but greater than passive earth pressureB. greater than active earth pressure but less than passive earth pressure C. greater than both the active earth pressure and passive…
The effect of cohesion on a soil is to______________? A. reduce both the active earth pressure intensity and passive earth pressure intensity B. increase both the active earth pressure intensity and passive earth pressure intensityC. reduce the active earth pressure…
Bishop’s method of stability analysis_______________? A. is more conservative B. neglects the effect of forces acting on the sides of the slicesC. assumes the slip surface as an arc of a circle D. all of the above
A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then…
The major principal stress in an element of cohesionless soil within the backfill of a retaining wall is________________? A. vertical if the soil is in an active state of plastic equilibrium B. vertical if the soil is in a passive…
Rankine’s theory of earth pressure assumes that the back of the wall is_______________? A. plane and smooth B. plane and roughC. vertical and smooth D. vertical and rough
The angle that Coulomb’s failure envelope makes with the horizontal is called________________? A. cohesionB. angle of internal friction C. angle of repose D. none of the above
In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on__________________? A. horizontal plane only B. vertical plane only C. both horizontal and vertical planesD. all planes except horizontal…
During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm2 to 0.26 N/mm2, the pore water pressure increases from 0.07 N/mm2 to 0.15 “N/mm2. Skempton’s pore pressure parameter B is___________________? A. 0.5 B. -0.5…
The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is___________________? A. 1/3 B. 3 C. 1 D. 1/2