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Pipe Support
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Total Weight, W = 505000,00 kg = 1113335 lbs
Safety Factor, SF = 1,5
Number of pipe, N = 20
Calculated Weight, Wc = W*SF/N = 37875,00 kg = 83500 lbs
Total Length, Lt = 1200 mm = 47,24 in
Sketch :
CALCULATION OF PIPE SUPPORT
JN-1106 - 44" TRUNKLINE SSIV - WEIGHT 550 T
20 SUPPORT LOCS.
General Data
Z
XY
Lt
W
Pipe Support
Outside Diameter, OD = 304,80 mm = 12,000 in
Inside Diameter, ID = 284,18 mm = 11,188 in
Nominal Thickness, tnom = 10,31 mm = 0,406 in
Minimum Thickness, tmin = 9,02 mm = 0,355 in
Calculated Inside Diameter, CID = 286,75 mm = 11,290 in
Section Area, A = 8384,6 mm2 = 13,00 in
2
Moment of Inertia x-x, Ix = 9177 cm4 = 220,49 in
4
Section Modulus x-x, Sx = 602 cm3 = 36,75 in
3
Radius of Gyration x-x, rx = 105 mm = 4,12 in
Elastic Modulus, E = 199947,95 MPa = 29000000 psi
Allowable Yield Stress, Sa = 248,21 MPa = 36000 psi
Allow. Tensile Stress, Sta = 0.6*S = 148,93 MPa = 21600 psi
Allow. Comp. Stress, Sca = 141,20 MPa = 20480 psi
Allow. Bending Stress, Sba = 0.66*Sa = 163,82 MPa = 23760 psi
Allow. Shear Stress, Ssa = 0.4*Sa = 99,28 MPa = 14400 psi
Allow. Shear Stress, Sbra = 0.9*Sa = 223,39 MPa = 32400 psi
Effective Length Factor, K = 1,00
Ratio of Effective Profile Area, Q
Pipe Data ( 12 Sch STD )
Material Data (SA-106 B)
Allow. Comp. Stress
XY
Support Plate
-
Axial Stress Reduction Factor, Qs = 1,00
Slenderness Ratio, = 126,10
= 11,47
= 0,091
Allow. Comp. Stress, Sca * = 141,20 MPa = 20480 psi
Compressive Stress, Sc = Wc / A = 44,30 MPa = 6425 psi
Bending Stress, Sb = Wc OD / (2 Sx) = 94,00 MPa = 13633 psi
Compressive Stress = SAFE Ratio = 31,4%
Bending Stress = SAFE Ratio = 57,4%
Unity Check:
Coefficient Applied to Bending, Cmx = 1
Euler Stress, = 1135090
Stress Calculation
Calc'n Check
K.Lt
r x
K.Lt/ r x
C ' c
2
2
23
12'
=
x
t
x
rKL
EeF
SQQ
EC
as
c
2
' 2=
Formula 1.6-1a, = OK Ratio = 31,4%
Formula 1.6-1b, = OK Ratio = 87,1%
SbeF
Sc
Cm
Sc
Sc
x
x
a
+
'1
aa Sb
Sb
St
Sc+
-
Total Weight, W = 113000,00 kg = 249122 lbs
Safety Factor, SF = 1,5
Number of pipe, N = 12
Calculated Weight, Wc = W*SF/N = 14125,00 kg = 31140 lbs
Total Length, Lt = 1200 mm = 47,24 in
Sketch :
CALCULATION OF PIPE SUPPORT
JN-1106 - 44" INLINE TEE - WEIGHT 113 T
12 SUPPORT LOCS.
General Data
Z
XY
Lt
W
Pipe Support
Outside Diameter, OD = 304,80 mm = 12,000 in
Inside Diameter, ID = 284,18 mm = 11,188 in
Nominal Thickness, tnom = 10,31 mm = 0,406 in
Minimum Thickness, tmin = 9,02 mm = 0,355 in
Calculated Inside Diameter, CID = 286,75 mm = 11,290 in
Section Area, A = 8384,6 mm2 = 13,00 in
2
Moment of Inertia x-x, Ix = 9177 cm4 = 220,49 in
4
Section Modulus x-x, Sx = 602 cm3 = 36,75 in
3
Radius of Gyration x-x, rx = 105 mm = 4,12 in
Elastic Modulus, E = 199947,95 MPa = 29000000 psi
Allowable Yield Stress, Sa = 248,21 MPa = 36000 psi
Allow. Tensile Stress, Sta = 0.6*S = 148,93 MPa = 21600 psi
Allow. Comp. Stress, Sca = 141,20 MPa = 20480 psi
Allow. Bending Stress, Sba = 0.66*Sa = 163,82 MPa = 23760 psi
Allow. Shear Stress, Ssa = 0.4*Sa = 99,28 MPa = 14400 psi
Allow. Shear Stress, Sbra = 0.9*Sa = 223,39 MPa = 32400 psi
Effective Length Factor, K = 1,00
Ratio of Effective Profile Area, Q
Allow. Comp. Stress
Pipe Data ( 12 Sch STD )
Material Data (SA-106 B)
XY
Support Plate
-
Axial Stress Reduction Factor, Qs = 1,00
Slenderness Ratio, = 126,10
= 11,47
= 0,091
Allow. Comp. Stress, Sca * = 141,20 MPa = 20480 psi
Compressive Stress, Sc = Wc / A = 16,52 MPa = 2396 psi
Bending Stress, Sb = Wc OD / (2 Sx) = 35,06 MPa = 5084 psi
Compressive Stress = SAFE Ratio = 11,7%
Bending Stress = SAFE Ratio = 21,4%
Unity Check:
Coefficient Applied to Bending, Cmx = 1
Euler Stress, = 1135090
Stress Calculation
Calc'n Check
K.Lt
r x
K.Lt/ r x
C ' c
2
2
23
12'
=
x
t
x
rKL
EeF
SQQ
EC
as
c
2
' 2=
Formula 1.6-1a, = OK Ratio = 11,7%
Formula 1.6-1b, = OK Ratio = 32,5%
SbeF
Sc
Cm
Sc
Sc
x
x
a
+
'1
aa Sb
Sb
St
Sc+
-
Total Weight, W = 337000,00 kg = 742958 lbs
Safety Factor, SF = 1,5
Number of pipe, N = 16
Calculated Weight, Wc = W*SF/N = 31593,75 kg = 69652 lbs
Total Length, Lt = 1200 mm = 47,24 in
Sketch :
CALCULATION OF PIPE SUPPORT
JN-1106 - APACHE KUFPEC FLOWLINE SSIV - WEIGHT 337 T
16 SUPPORT LOCS.
General Data
Z
XY
Lt
W
Pipe Support
Outside Diameter, OD = 304,80 mm = 12,000 in
Inside Diameter, ID = 284,18 mm = 11,188 in
Nominal Thickness, tnom = 10,31 mm = 0,406 in
Minimum Thickness, tmin = 9,02 mm = 0,355 in
Calculated Inside Diameter, CID = 286,75 mm = 11,290 in
Section Area, A = 8384,6 mm2 = 13,00 in
2
Moment of Inertia x-x, Ix = 9177 cm4 = 220,49 in
4
Section Modulus x-x, Sx = 602 cm3 = 36,75 in
3
Radius of Gyration x-x, rx = 105 mm = 4,12 in
Elastic Modulus, E = 199947,95 MPa = 29000000 psi
Allowable Yield Stress, Sa = 248,21 MPa = 36000 psi
Allow. Tensile Stress, Sta = 0.6*S = 148,93 MPa = 21600 psi
Allow. Comp. Stress, Sca = 141,20 MPa = 20480 psi
Allow. Bending Stress, Sba = 0.66*Sa = 163,82 MPa = 23760 psi
Allow. Shear Stress, Ssa = 0.4*Sa = 99,28 MPa = 14400 psi
Allow. Shear Stress, Sbra = 0.9*Sa = 223,39 MPa = 32400 psi
Effective Length Factor, K = 1,00
Ratio of Effective Profile Area, Q
Allow. Comp. Stress
Pipe Data ( 12 Sch STD )
Material Data (SA-106 B)
XY
Support Plate
-
Axial Stress Reduction Factor, Qs = 1,00
Slenderness Ratio, = 126,10
= 11,47
= 0,091
Allow. Comp. Stress, Sca * = 141,20 MPa = 20480 psi
Compressive Stress, Sc = Wc / A = 36,95 MPa = 5359 psi
Bending Stress, Sb = Wc OD / (2 Sx) = 78,41 MPa = 11372 psi
Compressive Stress = SAFE Ratio = 26,2%
Bending Stress = SAFE Ratio = 47,9%
Unity Check:
Coefficient Applied to Bending, Cmx = 1
Euler Stress, = 1135090
Stress Calculation
Calc'n Check
K.Lt
r x
K.Lt/ r x
C ' c
2
2
23
12'
=
x
t
x
rKL
EeF
SQQ
EC
as
c
2
' 2=
Formula 1.6-1a, = OK Ratio = 26,2%
Formula 1.6-1b, = OK Ratio = 72,7%
SbeF
Sc
Cm
Sc
Sc
x
x
a
+
'1
aa Sb
Sb
St
Sc+
-
Total Weight, W = 377000,00 kg = 831143 lbs
Safety Factor, SF = 1,5
Number of pipe, N = 16
Calculated Weight, Wc = W*SF/N = 35343,75 kg = 77920 lbs
Total Length, Lt = 1200 mm = 47,24 in
Sketch :
CALCULATION OF PIPE SUPPORT
JN-1106 - 24" AND 14" FLOWLINE SSIV - WEIGHT 377 T
16 SUPPORT LOCS.
General Data
Z
XY
Lt
W
Pipe Support
Outside Diameter, OD = 304,80 mm = 12,000 in
Inside Diameter, ID = 284,18 mm = 11,188 in
Nominal Thickness, tnom = 10,31 mm = 0,406 in
Minimum Thickness, tmin = 9,02 mm = 0,355 in
Calculated Inside Diameter, CID = 286,75 mm = 11,290 in
Section Area, A = 8384,6 mm2 = 13,00 in
2
Moment of Inertia x-x, Ix = 9177 cm4 = 220,49 in
4
Section Modulus x-x, Sx = 602 cm3 = 36,75 in
3
Radius of Gyration x-x, rx = 105 mm = 4,12 in
Elastic Modulus, E = 199947,95 MPa = 29000000 psi
Allowable Yield Stress, Sa = 248,21 MPa = 36000 psi
Allow. Tensile Stress, Sta = 0.6*S = 148,93 MPa = 21600 psi
Allow. Comp. Stress, Sca = 141,20 MPa = 20480 psi
Allow. Bending Stress, Sba = 0.66*Sa = 163,82 MPa = 23760 psi
Allow. Shear Stress, Ssa = 0.4*Sa = 99,28 MPa = 14400 psi
Allow. Shear Stress, Sbra = 0.9*Sa = 223,39 MPa = 32400 psi
Effective Length Factor, K = 1,00
Ratio of Effective Profile Area, Q
Allow. Comp. Stress
Pipe Data ( 12 Sch STD )
Material Data (SA-106 B)
XY
Support Plate
-
Axial Stress Reduction Factor, Qs = 1,00
Slenderness Ratio, = 126,10
= 11,47
= 0,091
Allow. Comp. Stress, Sca * = 141,20 MPa = 20480 psi
Compressive Stress, Sc = Wc / A = 41,34 MPa = 5996 psi
Bending Stress, Sb = Wc OD / (2 Sx) = 87,72 MPa = 12722 psi
Compressive Stress = SAFE Ratio = 29,3%
Bending Stress = SAFE Ratio = 53,5%
Unity Check:
Coefficient Applied to Bending, Cmx = 1
Euler Stress, = 1135090
Stress Calculation
Calc'n Check
K.Lt
r x
K.Lt/ r x
C ' c
2
2
23
12'
=
x
t
x
rKL
EeF
SQQ
EC
as
c
2
' 2=
Formula 1.6-1a, = OK Ratio = 29,3%
Formula 1.6-1b, = OK Ratio = 81,3%
SbeF
Sc
Cm
Sc
Sc
x
x
a
+
'1
aa Sb
Sb
St
Sc+
-
Appendices 475
Buckled shape of column is shown by dashed line
Theoretical K value
APPENDIX L
(a) (b) (c) (d)
0.5 0.7 1.0 1.0
ALLOWABLE COMPRESSIVE STRESS FOR COLUMNS, FA
Recommended design value when ideal conditions are approximated
Above = 130, use Table L-3 which is for steel of 36,000 psi
0.65 0.80 1.2 1 .O
20 40 60 80 100 120 140 160 180 200 Slenderness Ratio (L/r)
Reprinted by permission of the James F. Lincoln Arc Welding Foundation
"t"
7 p
End condition code
Rotation fixed and translation fixed Rotation free and translation fixed Rotation fixed and translation free Rotation free and translation free
- (e) i' t 2.0
2.10 -
2.0 -
-
476 Pressure Vessel Design Manual
Table L-2 33,000-psi-Yield Steel
Above Ur of 130, the higher-strength steels offer no advantage as to allowable compressive stress (fa). Above this point, use Table L-3 for the more economical steel of 36,000-psi-yield strength.
Table L-3 36,000-psi-Yield Steel
Above Ur of 130, the higher-strength steels offer no advantage as to allowable compressive stress (fa). Above this point, use this table.