Table 8-7.1 Stabilization of Soils for the Foundations of Structures
Method
Principle
Most
Maximum
Economical
Special
Special
Properties
Special
Relative
Suitable
Effective
Size of
Materials
Equipment
of Treated
Advantages
Costs
Soil
Treatment
Treated
Required
Required
Materials
and
(1976)
Condition/
Depth
Area
Limitations
Type
(feet)
Displacement
Highly
Soft, fine
Unlimited,
Small
Soil,
Batching
Grout bulbs
Good for
Low for
Grout
viscous
grained
but a few,
cement,
equipment,
within
correction of
materials;
grout acts
soils;
as usual
water
high
compressed
differential
high for
as radial
foundation
pressure
soil matrix
settlements,
injection
hydraulic
soils with
pumps and
filling large
process.
jack when
large voids
hoses
voids;
pumped in
or cavaties
careful
under high
control
pressure
required
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