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
Material
and
(1976)
Condition/
Depth
Area
Limitations
Type
(feet)
Fine
High
Drying at low
15 m
Small
Selected
Fuel tanks,
Reduced
Can obtain
grained
temperatures;
fuels
burners,
water
irreversible
soils;
alteration of
blowers
control,
improvements
especially
clays of
in properties;
partiall y
intermediate
water
introduces
saturated
temps (400
sensitivity;
stabilization
600 o C):
silts and
increased
w/ hot gases.
clays:
Fusion @
strength
Experimental
loess
high temps
@ this writing
(> 1000O C)
( 1976)
Freezing
Freezes soft,
All soils
Several m
Small
Refrigerant
Refrigeration
Increased
Cannot be
High
wet ground to
system
strength,
used with
increase
reduced
flowing
strength,
pliability
ground water;
reduce
temporary.
pliability
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