CM 3503 Quizzes 4-7
A normally consolidated soil is one that has a present effective pressure (stress) less than that
which the soil has been subjected to in the past. T or F - ANS-False
As the compactive effort incre
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CM 3503 Quizzes 4-7
A normally consolidated soil is one that has a present effective pressure (stress) less than that
which the soil has been subjected to in the past. T or F - ANS-False
As the compactive effort increases, the optimum moisture content will increase and the
maximum density will increase. T or F - ANS-False; optimum moisture content decreases
Compaction is defined as the ____________________ of soil by removal of
____________________ by means of ____________________ energy - ANS-densification; air
& water; mechanical energy
Given the wet unit weight equal to 118 pcf and a moisture content of 10 percent, calculate the
dry unit weight to one place after the decimal point. - ANS-107.3
Hydraulic conductivity (k) depends upon which of the following soil parameters
a. grain size distribution
b. void ratio
c. fluid viscosity (temperature)
d. degree of saturation
e. saturated unit weight
f. all of the above
g. a, b, c, and d but not e - ANS-g. grain size distribution, void ratio, fluid viscosity, degree of
saturation
Immediate settlement is the predominate settlement for a gravel or sandy soil. T or F -
ANS-True
In-situ methods for determining shear strength of soils include the following: Cone penetration
test, vane shear test, pocket penetrometer, pressure meter, and borehole shear test. T or F -
ANS-True
Settlement can be caused by deformation of soil particles. T or F - ANS-True
Settlement cannot be caused by expulsion of water from voids. T or F - ANS-False
Soil Compaction is accomplished by which mechanisms:
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