AS2556 1 Buried Flexible Pipe Rev1

�� D� >= 75 , 75 , �� (3��) �� >= 1250 �/�/� �� /�/� �� (50 ��) �� >= 625 �/�/�. �/�/�. ��

D�

106.4

I�� D��

D�

99.3

��

M��

�

3.3

��

102.6

��

E�� D��

D = D� + � =

M��

��

�E100

��

M�� (�� )

� �

�/A

M��

�� B�� M�� (3 ��)

E�

950

M��

�� B�� M�� (3 ��) (�� G�� )

E�

120

M��

�� B�� M�� (50 ��)

E�L

260

M��

�� B�� M�� (50 ��) (�� G�� )

E�L

140

M��

��'� ��

ν

0.4

�� 2.1

L��

η�

1.25

�� 2.1

L��

η�

2

�� 2.1

L�� A��

η

1.25

�� 2.1

∆�� / D =

��

�� 2.1

�� 2.1

7.5

%

�� 2.1

A��

ε��

4

%

�� 2.1

A��. ��

σ��

8

M��

�� 2.1

A��. �� G��

σ��

�/A

M��

��. ��

�� =

.

�

=

σ��

A��. ��

� 8

M��

�� B�� M�� (3 ��) ��

E�

950

M��

�� B�� M�� (50 ��) ��

E�L

260

M��

�� (3��) �� (50 ��)

3

I = � / 12 = 2.995E�09 � 3

6

3

6

�DI = E� I / D *10 = �DL = E�L I / D *10 =

��

3

E�. 2.2.1.2

2361.9

�/�/� �KA�

E� 2.2.1.1 (1)

720.9

�/�/� �KA�

E� 2.2.1.1 (2)

��

��

CI �� 3.2 F�� (LL<50%) �� 25% �� GM�GL �� 3.2 �� 12% ��

D�� , D�� , ��

�D = 95%, ID = 70%, 24<��B<=50

�� 3.2

��

E'�

3

M��

�� 3.2

E��

E'�

7

M��

�� 3.2

��

75 <= D� <= 150

M�� E�� G�� : �� M��

�� 0.6 H �

F�� 3.1

�� 3.1 �� 3.1

D�� B��

I�

75

��

F�� 3.1

C��

I�

100

��

F�� 3.1

D��

I�

100

��

F�� 3.1

B = D� + 2 I� =

�� E�� G�� : C�� H��

306.4

��

H

1.2

�

D�� B��

I�

75

��

C��

I�

96.8

��

D��

I�

100

��

300

��

B = D� + 2 I� =

��

F�� 3.1

�KA�

�KA�

B / D� =

2.820

D�� F��

∆� = � B /D� � 1 � / � 1.154 + 0.444 (B / D � �1 )� =

0.927

E�. 3.4.3(3)

L�� CF

ζ = 1.44 / � ∆� + (1.44 � ∆� ) * ( E'� / E'�) � =

0.678

E�. 3.4.3(2)

E' = ζ E'� =

4.747

E��

M��

E�. 3.4.3(1)

35603 �/�/� 7500 E' = L�� ,�DL �� LE�� 7500E. �� FLE�IBLE ��.'

C�� C1.4.6.2

1.026 10 D = � H > 10 D C�� 10*D, �� .

C�� 4.3

γ

A��

�� = γ H =

��

�

19

K�/�

22.8

K�/�

0

K�/�

��

0

K�/�

�� = � + � �� =

0

K�/�

��

101.3

K�/�

� � � ��

70 0.2 0.4 2 1.2 1

K� � �

G1

0

�

G2

0

�

G3

1.4

�

L1 = ΣG + � + 1.45 H =

3.54

�

L2 = �� + � + 1.45 H =

3.14

�

�� I�� L�� L�� (�� )

�� L�� (Σ� �� ) C�� (1 �� 2) C�� D�� /� �� (1 �� 2) �� /� ��

�

3

2

2 2

E�. 4.3 C�� 4.6 (�) C�� 4.6 (�)

2

2

C�� 4.5

α = 1.4 � 0.15 H =

1.22

�� L��

Σ� = 2* (�� + ��) * � =

420

��

�� = Σ� / � L 1 * L2 � * α =

46.10

L��

E�. 4.7.2(2) K� K�/�

2

E�. 4.7.2(1)

��

B��

K

0.1

C�� 5.2

�� + �� + �� =

68.90

K�/�

∆�/D = �K /1000 * (��+��+��)� / � 8/1000000*�DL+0.061 E'� =

2.33

%

2

�A��

E�. 5.2(2)

�� D��. �� , �� ADE��A�E �� . ��

�� D� = �3.33*1E�6 * �DL/E'+0.00136�/�1.11*1E�6*�DL/E'+0.000151� =

5.838

E�. 5.3.1(3)

��

�1

0.00165 �

F�� 1.2

I��

�2

0.00165

�

F�� 1.2

�� = MA�(2 � 1, 2 �2) =

0.0033

�

C�� 1.5 & F�� 1.2

= D� * ∆�/D * � �� / D =

0.44

%

E��

ε�

<

ε��

E�. 5.3.1(1)&(2)

�� A�I�FAC��. ��

��

0.45

M��

�� = 2 σ�� / D =

0.51

M��

��

C�� 1.5

�� MA��, �� A�I�FAC��. ��

�� F�� < = 3.0 M��

� � = 1 � �� /3 =

F�� > 3.0 M��

<=

3.0 M��

��

0.85

C�� 5.3.3

�� =

0

C�� 5.3.3

�� =

0.85

1/η =

0.8

1/η �� / (η� ��) + �� * ε� / (η� ε��) = 0.746 < �� A�I�FAC��.

E�. 5.3.3

��

F�

D�� 2

�� 1 = 1 / F� * 24 / ( 1 � ν ) * �DL * 1E�3 = �� 2 = (�DL * 1E�6)

(1/3)

(E')

(2/3)

* 1E3 / F� = H

A��. ��

�� =

��

�� 1 �� 2, =

2.50 8.24

K��

E�. 5.4(4)

101.31

K��

E�. 5.4(5)

>=

0.5 �

101.31

K��

C�� 5.4 (�) & (��)

26.99

K��

E�. 5.4(4) & ��E

�� 2

�� 1 = 1 / F� * 24 / ( 1 � ν ) * �DI * 1E�3 =

�� 2 = (�DI * 1E�6) �� =

A��. ��

(1/3)

��

(E')

(2/3)

* 1E3 / F� =

150.46

K��

E�. 5.4(5) & ��E

�� 1 �� 2 =

150.46

K��

C�� 5.4 (�) & (��) & ��E

H�

H��

3.00

�

γ ( H � H �) + (γ L+γ ��) � D� / 2 + H �) + �� + �� + �� < = � ��

�� H >= H �

γ �

��

γ L

A��

E�. 5.4.1

2.65

C�� 5.4 (�) ��E

10

K�/�

γ �� = ( γ � � 1) / γ � * γ =

11.830

K�/�

γ ( H � H �) + ( γ L + γ �� ) � D� / 2 + H�) + �� + �� + �� =

78.549

K�/�

3

��

3

E�. 5.4(2)

��

�� =

�� =

0

101.3

K�� E�. 5.4(1)

179.849 K�/�

3

FAIL

E�. 5.4(1)

γ L ( D� / 2 � H�) + γ �� ( D� / 2 + H) + � �� + �� + �� < = � ��

�� H < H � 0

101.3

E�. 5.4(3)

K��

γ L ( D� / 2 � H �) + γ �� ( D� / 2 + H) + � �� + �� + �� = �� =

�A��

K��

γ ( H � H �) + ( γ L + γ �� ) � D� / 2 + H�) + �� + �� + �� =

�� =

3

91.455

K�/�

192.755

K�/�

3

�A��

E�. 5.4(3)

3

FAIL

E�. 5.4(3)

K��

γ L ( D� / 2 � H �) + γ �� ( D� / 2 + H) + � �� + �� + �� =

AS2556 1 Buried Flexible Pipe Rev1

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