Civil Engineering Reference
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cycles, with a magnitude nearly 2.7 times its counterpart developed during
contraction cycles, and more than 11 times the shear found at the end of initial
backfill stage.
10
8
U
ha
U
hec1
U
hcc1
U
hec2
U
hcc2
U
hec3
20 bays
6
L
b
= 10 ft
φ
4
= 30
o
2
S
c
/S
b
= 4
0
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
Horizontal Retaining Wall Movement, U
h
, ft
10
8
M
a
M
ec1
M
cc1
M
ec2
M
cc2
M
ec3
20 bays
6
L
b
= 10 ft
φ
4
= 30
o
2
S
c
/S
b
= 4
0
-40
-30
-20
-10
0
10
20
30
40
Retaining Wall Moment, M, kips-ft
10
20 bays
8
L
b
= 10 ft
φ
= 30
o
6
S
c
/S
b
= 4
4
Q
a
Q
ec1
Q
cc1
Q
ec2
Q
cc2
Q
ec3
2
0
-6
-4
-2
0
2
4
6
8
Retaining Wall Shear Force, Q, kips
Fig. 8.35
Retaining Wall Analysis Results (Twenty-Bay, L
b
=10 ft, S
c
/S
b
= 4)
