Wall Thickness 200509

24
Poper = 140 Pdesign = 140 Line pipe Material: API Grad PROJECT NAME : HAI SU TRANG GAS PI CLIENT : PETROVIETNAM / PV GAS PIPELINE WALL THICKNESS REVIEW Input Parameters Units PIPELINE MATERIAL DATA Young`s Modulus ( Es) Mpa Specified Minimum Yield Stress (SYMS) Mpa Specified Minimum Tensile Strength (SMTS) Mpa Poisson's ratio(ν) Water density kg/m^3 Gravity acceleration (g) m/c^2 Maximum water depth m CALCULATION OF WALL THICKNESS ( B31.8) Max Operation pressure Mpa Design pressure ( P) Mpa Mpa mm Longitudinal joint factor (E) Outside diameter (D) mm Temperature derating (T) Design factor (F for Zone 1) mm IN CASE: Minimum test pressure (Pt) ( Base on AIP 5L) Design Temperature (Tdes) o C Corrosion allowance (tcor) Calculated Wall thickness (tcal)

Transcript of Wall Thickness 200509

Page 1: Wall Thickness 200509

Poper = 140Pdesign = 140Line pipe Material: API Grade X65

PROJECT NAME : HAI SU TRANG GAS PIPELINE PROJECT

CLIENT : PETROVIETNAM / PV GASPIPELINE WALL THICKNESS REVIEW

Input ParametersUnits

PIPELINE MATERIAL DATA Young`s Modulus ( Es) MpaSpecified Minimum Yield Stress (SYMS) Mpa

Specified Minimum Tensile Strength (SMTS) Mpa

Poisson's ratio(ν)Water density kg/m^3Gravity acceleration (g) m/c^2Maximum water depth m

CALCULATION OF WALL THICKNESS ( B31.8)Max Operation pressure MpaDesign pressure ( P) Mpa

Mpa

mmLongitudinal joint factor (E)Outside diameter (D) mmTemperature derating (T)Design factor (F for Zone 1)

mm

IN CASE:

Minimum test pressure (Pt) ( Base on AIP 5L)Design Temperature (Tdes) oCCorrosion allowance (tcor)

Calculated Wall thickness (tcal)

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Selected Wall thickness (t) mmDesign factor (F for Zone 2 - Riser and 500m within MEZ)

mmSelected Wall thickness (t) mmHOOP STRESS ( Check in with Elsevier ocean engineering book series: Section 2.3 ; P.26)Internal Pressure (Pi) Mpa

MpaAllowable Hoop stress Mpa

PRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpaMpam

m

Content density kg/m3External pressure( Pe) Mpa

Mpa

Mpa

Mpa

Mpammmm

Fabrication thickness tolerance mm

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

Calculated Wall thickness (tcal)

Hoop stress (σh)

Check with formula: σh<=allowable hoop stress

Pressure containment resistance (Pb)

Incidental pressure ( Pinc)Local incidental pressure (Pli)Elevation of the reference point ( href)Elevation of the local pressure point (hl)(positive upwards)

Yeild stress (fy)Tensile strength (fu)fcb = Min[fy;(fu/1.15)]

Material resistance factor (ym)Safety class resistance factor (ysc)(fy.tem)De-rating values due to temperature of tensile strength (fu.tem)Minimum wall thickness (t1)Wall thickness withoat tcor(t2)

Material strenght factor (au)Check with formula (Pli-Pe)<=(Pb/ym.ysc)

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MpaMpa

Mpa

Parameter u = (1/3)*((-1/3)*b^2 +c)Paramaeter v = (1/2)*(2/27)*b^3 - (1/3*b*c+d)Parameter Q = ACos(-v/(-u)^1/3)Parameter y = -2*(-u)^(1/2)*Cos(Q/3 + (60*3.14)/180)PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)

ZONE 2 PIPELINE MATERIAL DATA Young`s Modulus ( Es) Mpa

MpaSpecified Minimum Tensile Strength (SMTS) MpaPoisson's ratio(ν)Water density kg/m^3Gravity acceleration (g) m/c^2Maximum water depth mPIPELINE GEOMETRY DATAMax Operation pressure MpaDesign pressure ( P) Mpa

MpaDesign Temperature (T)Corrosion allowance (tcor) mm

mmWall thickness (t) mmLongitudinal joint factor (E)Design factor (F for Zone 2)Outside diameter (D) mmTemperature derating (T)

HOOP STRESS ( Check in with Eleservier ocean engineering book service: Section 2.3 ; P.26)Internal Pressure (Pi) Mpa

Mpa

Elastic collapse pressure (Pel)Plastic collapse pressure (Pp)Maximum fabrication factor (afab: for seamless)Ovality ( fo)Collapse pressure ( Pc) = y-1/3*bParameter b = -PelParameter c = -( PP^2+ Pp*Pel*f0*(D/t))Parameter d = Pel *Pp^2

Propagating pressure (Ppr)Check with formula: Pe<(Ppr/ym*ysc)

Specified Minimum Yield Stress (SYMS)

Minimum test pressure (Pt) ( Base on AIP 5L)oC

Calculeted Wall thickness (tcal)

Hoop stress (σh)

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Allowable Hoop stress Mpa

PRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpaMpamm

Content density kg/m3External pressure( Pe) Mpa

MpaMpa

Mpa

Mpammmm

Fabrication thickness tolerance mm

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpa

Mpa

Parameter u = (1/3)*((-1/3)*b^2 +c)Paramaeter v = (1/2)*(2/27)*b^3 - (1/3*b*c+d)Parameter Q = ACos(-v/(-u)^1/3)Parameter y = -2*(-u)^(1/2)*Cos(Q/3 + (60*3.14)/180)PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)

Check with formula: σh<=allowable hoop stress

Pressure containment resistance (Pb)Incidental pressure ( Pinc)Local incidental pressure (Pli)Elevation of the reference point ( href)upwards)

Yeild stress (fy)Tensile strength (fu)fcb = Min[fy;(fu/1.15)]Material resistance factor (ym)Safety class resistance factor (ysc)(fy.tem)De-rating values due to temperature of tensile strength (fu.tem)Minimum wall thickness (t1)Wall thickness withoat tcor(t2)

Material strenght factor (au)Check with formula (Pli-Pe)<=(Pb/ym.ysc)

Elastic collapse pressure (Pel)Plastic collapse pressure (Pp)Maximum fabrication factor (afab: for seamless)Ovality ( fo)Collapse pressure ( Pc) = y-1/3*bParameter b = -PelParameter c = -( PP^2+ Pp*Pel*f0*(D/t))Parameter d = Pel *Pp^2

Propagating pressure (Ppr)Check with formula: Pe<(Ppr/ym*ysc)

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BargBarg

API Grade X65

PROJECT NAME : HAI SU TRANG GAS PIPELINE PROJECTDesign Code: ASME B31.8Ref Code: DNV 2007 Elsevier Ocean engineering book series

Date:

Value

D= 14" D=12" D=10" 16"207,000.00 207,000.00 207,000.00

448.00 448.00 448.00531.00 531.00 531.00

0.30 0.30 0.301,025.00 1,025.00 1,025.00

9.81 9.81 9.8159.30 59.30 59.30

14.00 14.00 14.0014.00 14.00 14.0020.70 20.70 20.7060.00 60.00 60.003.00 3.00 3.001.00 1.00 1.00

355.60 323.90 273.101.00 1.00 1.000.72 0.72 0.72

10.72 10.03 8.93

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12.70 11.10 11.100.50 0.50 0.50

14.11 13.12 11.5315.09 14.27 12.70

HOOP STRESS ( Check in with Elsevier ocean engineering book series: Section 2.3 ; P.26)14.00 14.00 14.00

207.25 215.99 182.11322.56 322.56 322.56

PASS PASS PASSPRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)

22.83 20.69 24.6415.40 15.40 15.4015.54 15.54 15.5420.00 20.00 20.00

-59.30 -59.30 -59.30

175.20 175.20 175.200.60 0.60 0.60

423.36 423.36 423.36503.04 503.04 503.04423.36 423.36 423.36

1.15 1.15 1.151.31 1.31 1.317.00 7.00 7.00

7.00 7.00 7.008.11 6.71 6.719.70 8.10 8.101.59 1.39 1.390.96 0.96 0.96

PASS FAIL PASS

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

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9.234 7.115 11.87023.097 21.175 25.113

1.000 1.000 1.0000.015 0.015 0.0157.749 6.117 9.825-9.234 -7.115 -11.870

-623.032 -514.305 -740.6884,925.933 3,190.134 7,486.092-217.152 -177.060 -262.551

1,474.961 971.838 2,215.7822.050 1.996 2.1194.671 3.745 5.868

PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)1.821 1.465 2.245

PASS PASS PASS

ZONE 2

207,000.000 207,000.000 207,000.000448.000 448.000 448.000531.000 531.000 531.000

0.300 0.300 0.3001,025.000 1,025.000 1,025.000

9.810 9.810 9.81059.300 59.300 59.300

14.000 14.000 14.00014.000 14.000 14.000

20.700 20.700 20.70060.000 60.000 60.0003.000 3.000 3.000

14.113 13.122 11.53415.900 14.300 12.700

1.000 1.000 1.0000.500 0.500 0.500

355.600 323.900 273.1001.000 1.000 1.000

HOOP STRESS ( Check in with Eleservier ocean engineering book service: Section 2.3 ; P.26)14.000 14.000 14.000

157.931 152.119 144.116

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224.000 224.000 224.000PASS PASS PASS

PRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)28.884 29.499 29.93215.400 15.400 15.40015.536 15.536 15.53620.000 20.000 20.000

-59.300 -59.300 -59.300175.200 175.200 175.200

0.596 0.596 0.596423.360 423.360 423.360503.040 503.040 503.040423.360 423.360 423.360

1.150 1.150 1.1501.308 1.308 1.3087.000 7.000 7.000

7.000 7.000 7.00010.204 9.486 8.11212.090 11.270 9.7001.886 1.784 1.5880.960 0.960 0.960

PASS PASS PASSLOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

17.879 19.165 20.38528.788 29.461 30.074

1.000 1.000 1.0000.015 0.015 0.015

13.694 14.516 15.353-17.879 -19.165 -20.385

-1,023.260 -1,077.025 -1,122.17014,817.036 16,634.258 18,436.936

-376.606 -399.817 -420.2284,147.620 4,616.325 5,092.176

2.174 2.186 2.2037.735 8.128 8.558

PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)3.158 3.346 3.523

PASS PASS PASS

Page 9: Wall Thickness 200509

Poper = 100Pdesign = 100Line pipe Material: API Grade X65

PROJECT NAME : HAI SU TRANG GAS PIPELINE PROJECT

CLIENT : PETROVIETNAM / PV GASPIPELINE WALL THICKNESS REVIEW

Input ParametersUnits

PIPELINE MATERIAL DATA Young`s Modulus ( Es) MpaSpecified Minimum Yield Stress (SYMS) Mpa

Specified Minimum Tensile Strength (SMTS) Mpa

Poisson's ratio(ν)Water density kg/m^3Gravity acceleration (g) m/c^2Maximum water depth m

CALCULATION OF WALL THICKNESS ( B31.8)Max Operation pressure MpaDesign pressure ( P) Mpa

Mpa

mmLongitudinal joint factor (E)Outside diameter (D) mmTemperature derating (T)Design factor (F for Zone 1)

mmSelected Wall thickness (t) mmDesign factor (F for Zone 2 - Riser and 500m within MEZ)

mmSelected Wall thickness (t) mm

IN CASE:

Minimum test pressure (Pt) ( Base on AIP 5L)Design Temperature (Tdes) oCCorrosion allowance (tcor)

Calculated Wall thickness (tcal)

Calculated Wall thickness (tcal)

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HOOP STRESS ( Check in with Elsevier ocean engineering book series: Section 2.3 ; P.26)Internal Pressure (Pi) Mpa

MpaAllowable Hoop stress Mpa

PRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpaMpam

m

Content density kg/m3External pressure( Pe) Mpa

Mpa

Mpa

Mpa

Mpammmm

Fabrication thickness tolerance mm

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

MpaMpa

Mpa

Parameter u = (1/3)*((-1/3)*b^2 +c)Paramaeter v = (1/2)*(2/27)*b^3 - (1/3*b*c+d)Parameter Q = ACos(-v/(-u)^1/3)Parameter y = -2*(-u)^(1/2)*Cos(Q/3 + (60*3.14)/180)

Hoop stress (σh)

Check with formula: σh<=allowable hoop stress

Pressure containment resistance (Pb)

Incidental pressure ( Pinc)Local incidental pressure (Pli)Elevation of the reference point ( href)Elevation of the local pressure point (hl)(positive upwards)

Yeild stress (fy)Tensile strength (fu)fcb = Min[fy;(fu/1.15)]

Material resistance factor (ym)Safety class resistance factor (ysc)(fy.tem)De-rating values due to temperature of tensile strength (fu.tem)Minimum wall thickness (t1)Wall thickness withoat tcor(t2)

Material strenght factor (au)Check with formula (Pli-Pe)<=(Pb/ym.ysc)

Elastic collapse pressure (Pel)Plastic collapse pressure (Pp)Maximum fabrication factor (afab: for seamless)Ovality ( fo)Collapse pressure ( Pc) = y-1/3*bParameter b = -PelParameter c = -( PP^2+ Pp*Pel*f0*(D/t))Parameter d = Pel *Pp^2

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PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)

ZONE 2 PIPELINE MATERIAL DATA Young`s Modulus ( Es) Mpa

MpaSpecified Minimum Tensile Strength (SMTS) MpaPoisson's ratio(ν)Water density kg/m^3Gravity acceleration (g) m/c^2Maximum water depth mPIPELINE GEOMETRY DATAMax Operation pressure MpaDesign pressure ( P) Mpa

MpaDesign Temperature (T)Corrosion allowance (tcor) mm

mmWall thickness (t) mmLongitudinal joint factor (E)Design factor (F for Zone 2)Outside diameter (D) mmTemperature derating (T)

HOOP STRESS ( Check in with Eleservier ocean engineering book service: Section 2.3 ; P.26)Internal Pressure (Pi) Mpa

MpaAllowable Hoop stress Mpa

PRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpaMpamm

Content density kg/m3External pressure( Pe) Mpa

MpaMpa

Mpa

Mpa

Propagating pressure (Ppr)Check with formula: Pe<(Ppr/ym*ysc)

Specified Minimum Yield Stress (SYMS)

Minimum test pressure (Pt) ( Base on AIP 5L)oC

Calculeted Wall thickness (tcal)

Hoop stress (σh)

Check with formula: σh<=allowable hoop stress

Pressure containment resistance (Pb)Incidental pressure ( Pinc)Local incidental pressure (Pli)Elevation of the reference point ( href)upwards)

Yeild stress (fy)Tensile strength (fu)fcb = Min[fy;(fu/1.15)]Material resistance factor (ym)Safety class resistance factor (ysc)(fy.tem)De-rating values due to temperature of tensile strength (fu.tem)

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mmmm

Fabrication thickness tolerance mm

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpa

Mpa

Parameter u = (1/3)*((-1/3)*b^2 +c)Paramaeter v = (1/2)*(2/27)*b^3 - (1/3*b*c+d)Parameter Q = ACos(-v/(-u)^1/3)Parameter y = -2*(-u)^(1/2)*Cos(Q/3 + (60*3.14)/180)PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)

Minimum wall thickness (t1)Wall thickness withoat tcor(t2)

Material strenght factor (au)Check with formula (Pli-Pe)<=(Pb/ym.ysc)

Elastic collapse pressure (Pel)Plastic collapse pressure (Pp)Maximum fabrication factor (afab: for seamless)Ovality ( fo)Collapse pressure ( Pc) = y-1/3*bParameter b = -PelParameter c = -( PP^2+ Pp*Pel*f0*(D/t))Parameter d = Pel *Pp^2

Propagating pressure (Ppr)Check with formula: Pe<(Ppr/ym*ysc)

Page 13: Wall Thickness 200509

BargBarg

API Grade X65

PROJECT NAME : HAI SU TRANG GAS PIPELINE PROJECTDesign Code: ASME B31.8Ref Code: DNV 2007 Elsevier Ocean engineering book series

Date:

Value

D= 14" D=12" D=10"207,000.00 207,000.00 207,000.00

448.00 448.00 448.00531.00 531.00 531.00

0.30 0.30 0.301,025.00 1,025.00 1,025.00

9.81 9.81 9.8159.30 59.30 59.30

10.00 10.00 10.0010.00 10.00 10.0020.70 20.70 20.7060.00 60.00 60.003.00 3.00 3.001.00 1.00 1.00

355.60 323.90 273.101.00 1.00 1.000.72 0.72 0.728.51 8.02 7.239.53 9.53 9.270.50 0.50 0.50

10.94 10.23 9.1012.70 12.70 12.70

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HOOP STRESS ( Check in with Elsevier ocean engineering book series: Section 2.3 ; P.26)10.00 10.00 10.00

194.10 176.80 153.25322.56 322.56 322.56

PASS PASS PASSPRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)

14.90 16.39 18.6511.00 11.00 11.0011.14 11.14 11.1420.00 20.00 20.00

-59.30 -59.30 -59.30

175.20 175.20 175.200.60 0.60 0.60

423.36 423.36 423.36503.04 503.04 503.04423.36 423.36 423.36

1.15 1.15 1.151.31 1.31 1.317.00 7.00 7.00

7.00 7.00 7.005.34 5.34 5.116.53 6.53 6.271.19 1.19 1.160.96 0.96 0.96

FAIL PASS PASS

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

2.817 3.728 5.50515.549 17.070 19.440

1.000 1.000 1.0000.015 0.015 0.0152.541 3.330 4.844-2.817 -3.728 -5.505

-266.276 -323.839 -425.190681.076 1,086.300 2,080.500-89.640 -109.490 -145.098214.686 340.024 643.922

1.827 1.872 1.9481.602 2.087 3.009

Page 15: Wall Thickness 200509

PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)0.677 0.855 1.183

FAIL FAIL PASS

ZONE 2

207,000.000 207,000.000 207,000.000448.000 448.000 448.000531.000 531.000 531.000

0.300 0.300 0.3001,025.000 1,025.000 1,025.000

9.810 9.810 9.81059.300 59.300 59.300

10.000 10.000 10.00010.000 10.000 10.000

20.700 20.700 20.70060.000 60.000 60.0003.000 3.000 3.000

10.938 10.230 9.09615.900 14.300 12.700

1.000 1.000 1.0000.500 0.500 0.500

355.600 323.900 273.1001.000 1.000 1.000

HOOP STRESS ( Check in with Eleservier ocean engineering book service: Section 2.3 ; P.26)10.000 10.000 10.000

131.652 119.916 101.109224.000 224.000 224.000

PASS PASS PASSPRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)

22.826 25.117 29.93211.000 11.000 11.00011.136 11.136 11.13620.000 20.000 20.000

-59.300 -59.300 -59.300175.200 175.200 175.200

0.596 0.596 0.596423.360 423.360 423.360503.040 503.040 503.040423.360 423.360 423.360

1.150 1.150 1.1501.308 1.308 1.3087.000 7.000 7.000

7.000 7.000 7.000

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8.112 8.112 8.1129.700 9.700 9.7001.588 1.588 1.5880.960 0.960 0.960

PASS PASS PASSLOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

9.234 12.219 20.38523.097 25.357 30.074

1.000 1.000 1.0000.015 0.015 0.0157.563 9.623 14.550

-9.234 -12.219 -20.385-637.467 -790.140 -1,180.537

4,925.933 7,856.742 18,436.936-221.963 -279.970 -439.684

1,452.746 2,251.660 4,893.8732.026 2.072 2.1304.485 5.550 7.755

PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)1.821 2.300 3.523

PASS PASS PASS

Page 17: Wall Thickness 200509

Poper = 100Pdesign = 110Line pipe Material: API Grade X60

PROJECT NAME : HAI SU TRANG GAS PIPELINE PROJECT

CLIENT : PETROVIETNAM / PV GASPIPELINE WALL THICKNESS REVIEW

Input ParametersUnits

PIPELINE MATERIAL DATA Young`s Modulus ( Es) MpaSpecified Minimum Yield Stress (SYMS) Mpa

Specified Minimum Tensile Strength (SMTS) Mpa

Poisson's ratio(ν)Water density kg/m^3Gravity acceleration (g) m/c^2Maximum water depth m

CALCULATION OF WALL THICKNESS ( B31.8)Max Operation pressure MpaDesign pressure ( P) Mpa

Mpa

mmLongitudinal joint factor (E)Outside diameter (D) mmTemperature derating (T)Design factor (F for Zone 1)

mmSelected Wall thickness (t) mmDesign factor (F for Zone 2 - Riser and 500m within MEZ)

mmSelected Wall thickness (t) mm

IN CASE:

Minimum test pressure (Pt) ( Base on AIP 5L)Design Temperature (Tdes) oCCorrosion allowance (tcor)

Calculated Wall thickness (tcal)

Calculated Wall thickness (tcal)

Page 18: Wall Thickness 200509

HOOP STRESS ( Check in with Elsevier ocean engineering book series: Section 2.3 ; P.26)Internal Pressure (Pi) Mpa

MpaAllowable Hoop stress Mpa

PRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpaMpam

m

Content density kg/m3External pressure( Pe) Mpa

Mpa

Mpa

Mpa

Mpammmm

Fabrication thickness tolerance mm

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

MpaMpa

Mpa

Parameter u = (1/3)*((-1/3)*b^2 +c)Paramaeter v = (1/2)*(2/27)*b^3 - (1/3*b*c+d)Parameter Q = ACos(-v/(-u)^1/3)Parameter y = -2*(-u)^(1/2)*Cos(Q/3 + (60*3.14)/180)

Hoop stress (σh)

Check with formula: σh<=allowable hoop stress

Pressure containment resistance (Pb)

Incidental pressure ( Pinc)Local incidental pressure (Pli)Elevation of the reference point ( href)Elevation of the local pressure point (hl)(positive upwards)

Yeild stress (fy)Tensile strength (fu)fcb = Min[fy;(fu/1.15)]

Material resistance factor (ym)Safety class resistance factor (ysc)(fy.tem)De-rating values due to temperature of tensile strength (fu.tem)Minimum wall thickness (t1)Wall thickness withoat tcor(t2)

Material strenght factor (au)Check with formula (Pli-Pe)<=(Pb/ym.ysc)

Elastic collapse pressure (Pel)Plastic collapse pressure (Pp)Maximum fabrication factor (afab: for seamless)Ovality ( fo)Collapse pressure ( Pc) = y-1/3*bParameter b = -PelParameter c = -( PP^2+ Pp*Pel*f0*(D/t))Parameter d = Pel *Pp^2

Page 19: Wall Thickness 200509

PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)

ZONE 2 PIPELINE MATERIAL DATA Young`s Modulus ( Es) Mpa

MpaSpecified Minimum Tensile Strength (SMTS) MpaPoisson's ratio(ν)Water density kg/m^3Gravity acceleration (g) m/c^2Maximum water depth mPIPELINE GEOMETRY DATAMax Operation pressure MpaDesign pressure ( P) Mpa

MpaDesign Temperature (T)Corrosion allowance (tcor) mm

mmWall thickness (t) mmLongitudinal joint factor (E)Design factor (F for Zone 2)Outside diameter (D) mmTemperature derating (T)

HOOP STRESS ( Check in with Eleservier ocean engineering book service: Section 2.3 ; P.26)Internal Pressure (Pi) Mpa

MpaAllowable Hoop stress Mpa

PRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpaMpamm

Content density kg/m3External pressure( Pe) Mpa

MpaMpa

Mpa

Mpa

Propagating pressure (Ppr)Check with formula: Pe<(Ppr/ym*ysc)

Specified Minimum Yield Stress (SYMS)

Minimum test pressure (Pt) ( Base on AIP 5L)oC

Calculeted Wall thickness (tcal)

Hoop stress (σh)

Check with formula: σh<=allowable hoop stress

Pressure containment resistance (Pb)Incidental pressure ( Pinc)Local incidental pressure (Pli)Elevation of the reference point ( href)upwards)

Yeild stress (fy)Tensile strength (fu)fcb = Min[fy;(fu/1.15)]Material resistance factor (ym)Safety class resistance factor (ysc)(fy.tem)De-rating values due to temperature of tensile strength (fu.tem)

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mmmm

Fabrication thickness tolerance mm

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)MpaMpa

Mpa

Parameter u = (1/3)*((-1/3)*b^2 +c)Paramaeter v = (1/2)*(2/27)*b^3 - (1/3*b*c+d)Parameter Q = ACos(-v/(-u)^1/3)Parameter y = -2*(-u)^(1/2)*Cos(Q/3 + (60*3.14)/180)PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)

Minimum wall thickness (t1)Wall thickness withoat tcor(t2)

Material strenght factor (au)Check with formula (Pli-Pe)<=(Pb/ym.ysc)

Elastic collapse pressure (Pel)Plastic collapse pressure (Pp)Maximum fabrication factor (afab: for seamless)Ovality ( fo)Collapse pressure ( Pc) = y-1/3*bParameter b = -PelParameter c = -( PP^2+ Pp*Pel*f0*(D/t))Parameter d = Pel *Pp^2

Propagating pressure (Ppr)Check with formula: Pe<(Ppr/ym*ysc)

Page 21: Wall Thickness 200509

BargBarg

API Grade X60

PROJECT NAME : HAI SU TRANG GAS PIPELINE PROJECTDesign Code: ASME B31.8Ref Code: DNV 2007 Elsevier Ocean engineering book series

Date:

Value

D= 14" D=12" D=10"207,000.00 207,000.00 207,000.00

414.00 414.00 414.00517.00 517.00 517.00

0.30 0.30 0.301,025.00 1,025.00 1,025.00

9.81 9.81 9.8159.30 59.30 59.30

10.00 10.00 10.0011.00 11.00 11.0020.70 20.70 20.7060.00 60.00 60.003.00 3.00 3.001.00 1.00 1.00

355.60 323.90 273.101.00 1.00 1.000.72 0.72 0.729.56 8.98 8.049.53 9.53 9.270.50 0.50 0.50

12.45 11.61 10.2612.70 12.70 12.70

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HOOP STRESS ( Check in with Elsevier ocean engineering book series: Section 2.3 ; P.26)11.00 11.00 11.00

214.62 195.49 169.45298.08 298.08 298.08

PASS PASS PASSPRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)

13.75 15.12 17.2112.10 12.10 12.1012.24 12.24 12.2420.00 20.00 20.00

-59.30 -59.30 -59.30

175.20 175.20 175.200.60 0.60 0.60

390.72 390.72 390.72489.60 489.60 489.60390.72 390.72 390.72

1.15 1.15 1.151.31 1.31 1.317.00 7.00 7.00

7.00 7.00 7.005.34 5.34 5.116.53 6.53 6.271.19 1.19 1.160.96 0.96 0.96

FAIL FAIL FAIL

LOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

2.817 3.728 5.50514.350 15.754 17.941

1.000 1.000 1.0000.015 0.015 0.0152.521 3.300 4.792-2.817 -3.728 -5.505

-228.545 -278.138 -365.521580.106 925.255 1,772.064-77.063 -94.257 -125.208181.917 287.896 544.456

1.843 1.891 1.9701.582 2.057 2.957

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PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)0.625 0.789 1.092

FAIL FAIL PASS

ZONE 2

207,000.000 207,000.000 207,000.000414.000 414.000 414.000517.000 517.000 517.000

0.300 0.300 0.3001,025.000 1,025.000 1,025.000

9.810 9.810 9.81059.300 59.300 59.300

10.000 10.000 10.00011.000 11.000 11.000

20.700 20.700 20.70060.000 60.000 60.0003.000 3.000 3.000

12.448 11.606 10.25615.900 14.300 12.700

1.000 1.000 1.0000.500 0.500 0.500

355.600 323.900 273.1001.000 1.000 1.000

HOOP STRESS ( Check in with Eleservier ocean engineering book service: Section 2.3 ; P.26)11.000 11.000 11.000

145.652 132.668 111.861207.000 207.000 207.000

PASS PASS PASSPRESSURE CONTAINMENT (BURSTING) (Check in accordance with DNV 2007: Sec. 5; P.46)

21.066 23.181 27.62412.100 12.100 12.10012.236 12.236 12.23620.000 20.000 20.000

-59.300 -59.300 -59.300175.200 175.200 175.200

0.596 0.596 0.596390.720 390.720 390.720489.600 489.600 489.600390.720 390.720 390.720

1.150 1.150 1.1501.308 1.308 1.3087.000 7.000 7.000

7.000 7.000 7.000

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8.112 8.112 8.1129.700 9.700 9.7001.588 1.588 1.5880.960 0.960 0.960

PASS PASS PASSLOCAL BUCKLING ( SYSTEM COLLAPSE)(Check in accordance with DNV 2007: Sec. 5; P.46)

9.234 12.219 20.38521.316 23.402 27.755

1.000 1.000 1.0000.015 0.015 0.0157.600 9.654 14.500

-9.234 -12.219 -20.385-538.712 -667.368 -996.340

4,195.659 6,691.973 15,703.642-189.045 -239.046 -378.285

1,239.592 1,919.302 4,153.0342.068 2.117 2.1714.522 5.581 7.705

PROPAGATION BUCKLING (Check in accordance with DNV 2007: Sec. 5; P.47)1.681 2.122 3.251

PASS PASS PASS