Question

To prevent the sloughing of an earthen dam it is necessary to provide

Answer 1

Sloughing is phenomena which is closely related to piping through the embankments of the dam.

To prevent sloughing in earthen dam it is necessary to provide:

a) Rip rap -

loose stone used to form a foundation for

a breakwater or other structure.

b) Impervious blanket

c) Rock toe -

Rock toes are low structures of rock

placed along the water's edge of a

shoreline.

d) Relief well -

Relief wells (also known as pressure relief

wells or bleed wells) are used to reducing

pore water pressures in confined aquifers

or in stratified ground conditions.