Question

69.
A soil sample having a cohesion C = 106 kN/m2 and 0 =.6° is tested in an unconfined
compression test apparatus. The angle which the failure plane of the sample will make with
the axis of the sample is​

Answer 1

Answer:

Explanation:

Given data:

cohesion = 106 kN/m^2

$\phi = 6^o$

we know that angle of failure plane $\theta = 45 +\frac{\theta}{2}$

Therefore \theta will be $= 45 + \frac{6}{2} = 48 degree$

Angle of failure plane of the sample will make with the axis of the sample is $\theta = 90 -48 = 42 degree$