Hydraulic Structures: Fourth Edition

(Amelia) #1
100

0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

10

20

30

40

50

60

70

80

90

10

20

30

40

50

Values of



(%)D

Values of



(%)C

Sheet pile not at end

Note 1: To find E for any 
and base ratio b 1 /b read C
for base ratio (1 b 1 /b) for that
value of  and subtract from 100.00
Note 2: To get D for values of
b 1 /b 0.5, read D for base
ratio (1 b 1 /b) and subtract from 100.00

0.10

Ratiob 1 /b

0.25

0.50

1.0

1.5

2.0

3.0

5.0

7.0

9.0

12.0

18.0

 


&

Curve
sof
C

Curv
esof
D

30.0

20.0

10.0

6.0

4.0

2.5

1.5

0.75

0.5

 

Hs
b
ECd
D

b (^1)   b/d
Fig. 9.7 Khosla’s pressure chart with intermediate pile
b
d
U/S pile
C%
d
D/S pile
D
b 1 C%
b 1
Fig. 9.8 Mutual interference of piles

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