Geoscience Reference
In-Depth Information
(a)
(b)
(1) (2)
1000
1250
800
1000
600
400
750
(1)
500
(1)
200
250
0
0
0
0.25
0.5
0.75
0
0.25
0.5
0.75
Coefficent of compressibility C
c
/(1+e
o
)
Coefficent of compressibility C
c
/(1+e
o
)
(1) w = 460.81 C
c
/(1+e
o
) - 67.93
= 0.97
(2) C
c
/(1+e
o
) = 0.16266 + 0.00204 w
ρ
(1) w = 27932.94 C
c
/(1+e
o
) - 738.51
ρ
= 1
(2) C
c
/(1+e
o
) = 0.00033 w + 0.26359 w
(c)
(d)
(2)
(1)
1250
1250
(2)
1000
1000
(1)
750
750
500
500
250
250
0
0
0
0.25
0.5
0.75
0
0.25
0.5
0.75
Coefficent of compressibility C
c
/(1+e
o
)
Coefficent of compressibility C
c
/(1+e
o
)
(a) Lezarde valley
(b) Aulnes valley
(c) Normandy (linear regression)
(d) Normandy (non-linear regression)
Figure 5.11
Relationship between water content and
c
c
/
(1
+
e
o
)
of French bog peat (
after
Magnan,
1994).
40
Organic Content = 12%
Organic Content = 25.7%
Organic Content = 54%
30
20
p
c
p
c
p
c
10
0
1
10
Effective Stress (kPa)
100
1000
Figure 5.12
Effective stress vs.
c
v
(
after
Farrell
et al
., 1994).
