Page 145 - Pipelines and Risers
P. 145
118 Chapter 9
3D Static In-Place
Extract Mode Data
(Freq, stress, gap)
Spans
Perform In-Line Perform Dynamic Perform X-Flow
Fatigue Assessment Stress Check Fatigue Assessment
f Identify Spans \
Requiring Intervention
Figure 9.1 Flow chart describing the free span assessment procedure.
Design criteria applicable to different environmental conditions have been defined as follow:
a) Peak stresses or moment under extreme condition will satisfy the dynamic strength criteria
given in Chapter 4.8.