Geology Reference
In-Depth Information
This displacement field has associated normal stresses
⎣
⎦
,
3
x
1
−
x
1
2
C
x
1
−
x
1
R
0
2λ
+
3μ
λ
+
μ
τ
11
=−
R
0
−
(1.403)
⎣
⎦
,
3
x
2
−
x
2
2
C
x
1
−
x
1
R
0
μ
λ
+
μ
τ
22
=−
R
0
−
(1.404)
⎣
⎦
,
x
1
3
x
3
C
x
1
−
2λ
+
3μ
λ
+
μ
τ
33
=−
R
0
+
(1.405)
R
0
with shear stresses
x
3
3
x
1
−
x
1
2
1
C
R
0
τ
13
=−
R
0
−
⎦
,
1
R
0
R
0
+
λ
+
2μ
λ
+
μ
−
x
1
x
1
2
2
R
0
+
x
3
−
−
(1.406)
x
3
R
0
(
R
0
+
x
3
)
⎣
⎦
,
C
x
1
−
x
1
x
2
−
x
2
R
0
3
x
3
λ
+
2μ
λ
+
μ
2
R
0
+
x
3
τ
23
=−
R
0
+
(1.407)
x
3
)
2
(
R
0
+
3
x
1
−
x
1
2
1
C
x
2
−
x
2
R
0
τ
12
=−
R
0
−
.
(1.408)
In order for the two shear stresses, τ
13
andτ
23
,tovanishontheplane
x
3
=
0, the
two free constants of the extra displacement fields must be related by
λ
+
2μ
λ
+
μ
2μ
B
=
C
.
(1.409)
Combining the extra displacement fields, they are found to have the associated
normal stresses
⎣
x
3
)
2
3
C
x
1
x
1
λ
+
2μ
λ
+
μ
1
R
0
(
R
0
−
x
1
x
1
2
3
R
0
+
x
3
τ
11
=−
−
−
R
0
(
R
0
+
+
x
3
)
3
x
1
−
x
1
2
,
1
R
0
2λ
+
3μ
λ
+
μ
+
R
0
−
(1.410)
x
1
λ
+
x
3
)
2
1
C
x
1
−
2μ
λ
+
μ
1
R
0
(
R
0
+
−
x
2
−
x
2
2
3
R
0
+
x
3
τ
22
=−
R
0
(
R
0
+
x
3
)
3
x
2
−
x
2
2
,
1
R
0
R
0
−
μ
+
(1.411)
λ
+
μ
⎣
1
⎦
,
x
1
3
x
3
C
x
1
−
τ
33
=−
R
0
+
(1.412)
R
0
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