Page 269 - Pipelines and Risers
P. 269
242 Chapter 14
(14.32)
D
Xf =L (14.33)
SMYS
AREA
x* =- (14.34)
AREA0
L2
XL =- (14.35)
Dt
(14.36)
The B31G design equation for corroded pipelines is:
L2
<
For - 20
Dt-
(14.37)
-x >o
P-
(14.38)
The limit state function is then expressed as:
L2
5
For - 20
Dt
(14.39)
L2
>
For - 20
Dt
(14.40)
