riser stress calculations

Upload: juan-roberto-lopez-betanzos

Post on 14-Apr-2018

216 views

Category:

Documents


0 download

TRANSCRIPT

  • 7/29/2019 Riser Stress Calculations

    1/9

    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

  • 7/29/2019 Riser Stress Calculations

    2/9

    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

  • 7/29/2019 Riser Stress Calculations

    3/9

    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

  • 7/29/2019 Riser Stress Calculations

    4/9

    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

  • 7/29/2019 Riser Stress Calculations

    5/9

    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

  • 7/29/2019 Riser Stress Calculations

    6/9

    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

  • 7/29/2019 Riser Stress Calculations

    7/9

    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

  • 7/29/2019 Riser Stress Calculations

    8/9

    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

  • 7/29/2019 Riser Stress Calculations

    9/9

    Bourdon Pressure Effects

    On

    Off

    1.00

    Long Radius

    Short RadiusS-Bend

    1

    228.6