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Soil Mechanics
Compressibility Parameters
The void rati...
Question
The void ratio-pressure diagram is shown below. What is the coefficient of compressibility.
A
0.5
m
2
/
t
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B
0.73
m
2
/
t
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C
0.20
m
2
/
t
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D
0.25
m
2
/
t
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Solution
The correct option is
C
0.20
m
2
/
t
Coefficient of compressibility
a
v
=
−
Δ
e
Δ
σ
=
−
(
0.6
−
0.7
17.5
−
17
)
=
0.20
m
2
/
t
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2
Similar questions
Q.
Match
List-I
(Term) with
List-II
(Definition) and select the correct answer using the codes given below the lists (where 'e' is void ratio, 'p' is effective vertical stress 'k' is permeability and
γ
w
is unit weight of water):
List-I
A.
Compression index,
C
c
B.
Coefficient of volume change,
m
v
C.
Coefficient of compressibility,
a
v
D.
Coefficient of consolidation,
C
v
List-II
Codes :
A B C D
2 1 4 3
4 3 2 1
2 3 4 1
4 1 2 3
Q.
The e-p curve for a soil is shown in the figure below. The coefficient of compressibility
i
n
m
2
/
k
N
of the soils is
Q.
Assertion (A) :
For a fully saturated soil, the pore pressure parameter is equal to zero.
Reason (R) :
The compressibility of water is much smaller than the coefficient of volume compressibility.
Q.
The pressure-temperature (P-T) phase diagram shown below corresponds to the:
Q.
Compressibility factor
(
Z
)
is plotted against pressure
(
P
)
for four different gases
A
,
B
,
C
&
D
. The correct order of critical temperature of the gases shown in the below graph is
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