ππΏ = ππΈ + ππ΅ + ππ
ππ = πΈπΌ(π1 β π2)
ππΈ = ππ + ππ + ππΆ
ππΆ = Longitudinal Tensile Stress in the Pipe due to Existing Elastic Curvature [psi]
ππ΄ = πΉπ·SMYS β ππΈ β ππ