What are the types of slope failure?

A slope may undergo to any one of the following types of failure

1) Rotational failure

This types of failure occurs by rotation along a slip surface by downward and outward movement of soil mass. The slip surface is generally circular for homogeneous soil conditions and non-circular in case of non-homogeneous conditions. 

2) Translation failure

The slope fails making failure plane nearly parallel to slope.

3) Compound failure

A compound failure is the combination of the rotational and translational failure.

4) Wedge failure

A failure inclined plane is called palne failure or wedge failure or block failure. It occurs when distinct blocks and wedge of soil mass become separated.

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