riser stress calculations
TRANSCRIPT
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DPH Focus Corporation
CSA Z662 Riser Stress Calculations (Rev. 2004.2)
Client:
Project:DPH Job #:
User inputs are in blue text or pull-down menus, calculations are in black text.
Input Data
Design Factor "F" 0.8
Location Factor "L" 1.0
Temperature De-Rating Factor "T" 1.0
Corrosion Allowance (mm) 0.00
Pipeline Nominal Size 6
Pipeline Outer Diameter (mm) 168.3
Pipeline Wall Thickness (mm) 4.00
Pipeline Effective Wall Thickness (mm) 4.00
Pipeline Material Yield Strength (MPa) 359
Riser Wall Thickness (mm) 7.11
Riser Effective Wall Thickness (mm) 7.11
Riser Material Yield Strength (MPa) 241
Riser Elbow Type Long Radius
Offset Wall Thickness (mm) 7.11
Offset Effective Wall Thickness (mm) 7.11
Offset Material Yield Strength (MPa) 241
Maximum Operating Pressure (kPa) 9930
Maximum Operating Temperature (C) 60.0
Installation Temperature (C) 0.0
Bourdon Pressure Effects On
Fluid S.G. (Water = 1.0) 0.0
Pipe Insulation Thickness (mm) 0.0
Modulus of Elasticity (GPa) 207
Poisson's Ration 0.30Coefficient of Thermal Expansion (/C) 1.20E-05
Soil Data
Soil Coefficient of Friction 0.5
Soil Density (kg/m3) 2000
Pipeline Depth of Cover (m) 1.10
Soil Friction Angle (deg) 30
Soil Proctor 0.75
Pipe Propert ies
Pipeline Inside Diameter (mm) 160.275
Pipeline Weight (N/m) 155.9
Pipeline Inside Area (m2) 2.02E-02
Pipeline Metal Area (m2) 2.06E-03
Pipeline Moment of Inertia (m4) 6.968E-06Riser Inside Diameter (mm) 154.055
Riser Metal Area (m2) 3.60E-03
Riser Moment of Inertia (m4) 1.171E-05
Riser Stress Intensification Factor 2.27
Offset Inside Diameter (mm) 154.055
Offset Metal Area (m2) 3.60E-03
Offset Moment of Inertia (m4) 1.171E-05
Effective Outer Diameter (m) 0.168
Contents Weight (N/m) 0.000
Insulation Weight (N/m) 0.00
Soil Calculat ions
DT (C) 60
Pipeline Soil Friction Force (N/m) 3710
Riser Soil Yield Displacement (mm) 19.02
Riser Ultimate Lateral Soil Force (N/m) 284032.7
Riser Lateral Spring Rate (N/m2) 14930133
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Seamless Pipe Data
W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm)
2.31 STD-40 2.77 STD-40 2.87 STD-40 3.38 STD-40 3.68
3.20 XS-80 3.73 XS-80 3.91 XS-80 4.55 XS-80 5.08
4.75 160 5.56 160 6.35 160 7.147.47 XXS 7.82 XXS 9.09 XXS 10.16
1.0.375 0.5 0.75 1
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Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched.
STD-40 3.91 STD-40 5.49 STD-40 6.02 STD-40 7.11 STD-40
XS-80 5.54 XS-80 7.62 XS-80 8.56 XS-80 10.97 XS-80
160 8.74 160 11.13 160 11.13 120 14.27 120XXS 11.07 XXS 15.24 XXS 13.49 160 18.26 160
17.12 XXS 21.95 XXS
5 2 3 4 6
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W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm)
6.35 20 6.35 20 6.35 20 6.35 10 6.35
7.04 30 7.80 30 8.38 30 7.92 20 7.98
8.18 STD-40 9.27 STD-40 9.53 STD 9.53 STD-30 9.5310.31 60 12.70 XS-60 10.31 40 11.13 40 12.70
12.70 XS-80 15.09 80 12.70 XS 12.70 XS 16.66
15.09 100 18.26 100 14.27 60 15.09 60 21.44
18.26 120 21.44 120 17.48 80 19.05 80 26.19
20.62 140 25.40 XXS-140 21.44 100 23.83 100 30.96
22.23 XXS 28.58 160 25.40 XXS-120 27.79 120 36.53
23.01 160 28.58 140 31.75 140 40.49
33.32 160 35.71 160
14 18 10 12
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Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched.
10 6.35 10 6.35 10 6.35 10 6.35 10
20 7.92 20 9.53 STD-20 9.53 STD-20 9.53 STD-20
STD-30 9.53 STD 12.70 XS-30 12.70 XS-30 12.70 XSXS-40 11.13 30 15.09 40 22.23 60 14.27 30
60 12.70 XS 20.68 60 28.58 80 17.48 40
80 14.27 40 26.19 80 34.93 100 24.61 60
100 19.05 60 32.54 100 41.28 120 30.96 80
120 23.83 80 38.10 120 47.63 140 38.89 100
140 29.36 100 44.45 140 53.98 160 46.02 120
160 34.93 120 50.01 160 52.37 140
39.67 140 59.54 160
45.24 160
6 18 20 22 24
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W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm) Sched. W.T. (mm)
7.92 10 7.92 10 7.92 10 7.92 10 8.74
9.53 STD 9.53 STD 9.53 STD 9.53 STD 9.53
12.70 XS-20 12.70 XS-20 12.70 XS-20 12.70 XS-20 12.7015.88 30 15.88 30 15.88 30 15.88
17.48
30 32 326 28
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Sched. W.T. (mm) Sched.
10 7.92 10
STD 9.53 STD
XS-20 12.70 XS-2030 15.88 30
40 19.05 40
4 36
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Pipe O.D. Lookup Wall Thickness
Nom. Bore O. D. 2.8
0.375 0.675 3.2
0.5 0.84 4
0.75 1.05 4.8
1 1.315 5.5
1.5 1.9 5.62 2.375 6
3 3.5 7.1
4 4.5 Tie-In Pipe W.T.
6 6.625 3
8 8.625 Run-Pipe W.T.
10 10.75 3
12 12.75
14 14
16 16 Yeild Strength
18 18 Grade
20 20 241
22 22 29024 24 317
26 26 359
28 28 386
30 30 414
32 32 448
34 34 Pipeline Grade
36 36 3
Pipeline 90 Grade
9 0
Offset Grade
0
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Bourdon Pressure Effects
On
Off
1.00
Long Radius
Short RadiusS-Bend
1
228.6