wall thickness 200509
TRANSCRIPT
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)
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)
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)
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)
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
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)
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
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
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)
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
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)
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)
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
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
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
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
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)
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
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)
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)
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
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
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
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