Environmental Engineering Reference
In-Depth Information
FIGURE 9.25
Slump failure occurred after cutting in fine-grained glacial till (Mountainside, New Jersey). (a) Head scarp, toe
bulge, and seepage at the toe. (b) Total failure some weeks later. Slope stabilized by benching, installation of
trench drain, and counterberm along the toe.
and can be the most serious from the engineering viewpoint. Their characteristics are
described in
Section 6.7.3,
the most significant of which are their content of montmoril-
lonite and their high degree of overstress. Excavation, either natural or human, results in
