4. Risk Assessment
4.1 Slope Stability
4.2 Pipe-Soil Interaction (PSI)
4.3 Bayesian Network (BN)
4.4 Fatigue
SCF: Stress Concentration Factor (API RP 2A-WSD 8.3)
S-N curves (API RP 2A-WSD 8.4)
M&K in T-N curve (API RP 2SK 6 Table3)
Safety Factors (API RP 2SK 6 Table7)
Vortex-induced Vibration (VIV) (API RP 2T 6 & 10)