Offshore Pipeline Stress Check
Hoop, longitudinal and combined stress checks for offshore pipelines, platform piping and risers per Annex A842.2.2. S_h = (Pᵢ − Pₑ)D/(2t) ≤ F₁·S·T.
Inputs
Unit system
Component type
psi
psi
in
in
psi
°F
Design Factors (Annex A842.2.2)
| Use | F₁ hoop | F₂ long. | F₃ combined |
|---|---|---|---|
| Offshore pipeline | 0.72 | 0.80 | 0.90 |
| Platform piping / riser | 0.50 | 0.80 | 0.90 |