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Chapter 9
86
2
58
wp
Q
e
9.18
443 m 0007.0)305.0(
12
1
12
1 bhI
;
26 kN/m 1021
p
E
d
Yz
2
(max)
Chapter 9
87
IF
pY
2
9.19 Check for Bending Failure:
m-kN 39.96
2
305.0
0007.0
)000,21(
2
d
I
FM p
Yy
Check for Pile Head Deflection:
Eq. (9.110):
1
56
5m 91.0
)0007.0)(1021(
9200
pp
h
IE
n
Chapter 9
88
)9200()]0007.0)(1021)[(012.0(
)()( 5
2
5
3
5
2
5
36
)0(
nIEx
9.20 Eq. (9.114):
CS
EH
QE
u
9.21
pR
pR
R
uWW
WnW
CS
hWE
Q
2
9.22
pp
E
E
u
EA
LHE
S
HE
Q
2
;
5.0
)1030)(4.29)(2(
)1290)(1240)(85.0(
23
pp
E
EA
LHE
5.01.0
u
Chapter 9
© 2016 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
89
kip227
3
680
all Q
9.23 Eq. (9.123):
2
tan)sin1( 2
fill
ff
n
Hp
Q
9.24
2
tan)sin1( 2
fill
ff
n
Hp
Q
2
2
:(9.124) Eq.9.25
1
1
HHHL
L
HL
Lffffff
Chapter 9
90
kN 167.71
2
)206.0tan()81.98.19)(20sin1(406.0)9(
)9)(206.0tan()5.3)(17)(20sin1(406.0
2
tan)sin1(
tan)sin1(
2
clay
2
1
1clay
pL
LHpQ ffn
9.26 Eq. (9.39):
kip 298.8 )1.168(
12
16 2
cpp qAQ
4
FS
all
9.27 Piles Acting Individually:
Eq. (9.130):
]9[ )(21 LcpcAnnQ upupu
91
83.8773
Q
Piles Acting As A Group:
9.28 Piles Acting Individually:
kip 842.5lb)537,876078)(9(
Piles Acting As A Group:
Chapter 9
© 2016 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
92
ft 6ft 1)ft 5.2)(2(
2
2)1(
D
dnBL gg
.5.7
6
45
;1
gg
g
B
L
B
L
From Figure 9.48,
*
c
N
= 9. So
kip 1207.4
1000
)6)(860)(45(2)(6)(9)(6)(6)(860
u
Q
kip 281 8.280
3
5.842
all
Q
9.29 Piles Acting Individually:
Piles Acting As A Group:
*
c
93
)]6)(60()6)(45()5)(25[()356.3356.3)(2()9)(60()356.3( 2
u
Q
9.26 The pressure distribution
diagram is shown.
11
)2(c
© 2016 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
94
Chapter 9
95
