Minimum Radius Pipe Bending [PDF]

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CONCEPT:MINIMUM RADIUS OF SUBSEA PIPELINE BENDING xt x1

x2

L

a y

a

R

3ED ; E  modulus of Elasticity; D  pipe diameter 4 fa fa  design factor x SMYS

R

design factor  0.6 SMYS  MinimumYield Strength sin (a / 2)  x1 

y( R  y) y (2 R  y ) yR

x2  xt 

y / 2R

y (2 R  y ) y (2 R  y )

L  aR

CALCULATION MINIMUM RADIUS OF PIPELINE BENDING R=3ED/(4Fa) E=Modulus Elasticity = 2.10E+06 kg/cm2 D=diameter = 91.44 cm Fa=design factor x SMYS = 2184 kg/cm2 design factor= 0.6 SMYS = 3640 kg/cm2 R=minimum radius = 6.59E+04 cm

=

659

m

Berdasarkan Moment Curvature, Makalah presentasi Pipeline Eng. (by Jansen VH.) section Pipeline Design Calculation for Ela

on Pipeline Design Calculation for Elastic Curve Pipe