FRP Pipe Stress Calculation Sheet_Edition 18-July-15
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Transcript of FRP Pipe Stress Calculation Sheet_Edition 18-July-15
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Not Designed for Engineering Practice
Please see notes
I N P U T D A T A
Pipe Geometry
262.9
3.5
3.0
Design Condition
1.000
0.900
1000.000
C a l c u l a t i o n a
n d E v a l u a t i o n
External Compressive Pressure
Applied External Pressure (Mpa) 0.031 Method of Ca
Safetay Factor for Vacuum Condition Length of n
Allo!a"le External Collapse Pressure (Mpa) 0.048 Applied Axial
%esult pass &emperature
G r a p h
1-External Compressive Pressure VS (D/tr) -Long
Pipe 'nner iameter ( Di mm)
$ominal *all &hic+ness ( t mm)
A#erage %einforced *all &hic+ness ( t r mm)
esign Pressure ( Pd MPa)
'nternal Pressure ( P MPa)
Fluid ensity ( "L ,g-m.)
0.20
0.25
0.30
0.35
0.40
0.45
Fe=1.5
Fe=3
External
Pressure
Pressure (MPa)
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C a l c u l a t i o n a n d E v a l u a t i o n
Lo#al $oop stress due to saddle supporting
support span (m) 4.00 support span
saddle angle (deg) saddle angle
!idth of the saddle support (mm) 250 !idth of the s
Local hoop stress (Mpa) 53.09 local axial st
Allo!a"le (Mpa) 92.63 Allo!a"le (M
%esult pass %esult
G r a p
h
%-Lo#al &oop ('xial) Stress vs Saddle 'ngle
0 50 100 150 200 250 300 3500.00
0.05
0.10
.
D/tr
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FRP Pipe Stress Calculation
e#$a
Poisson/s %atio Axial- hoop
0ualified Stress ( MPa)
Longit
lculation
Axial Compressi#e Stress (Mp
upported Pipe (m) 4.000
Compressi#e Load ($) 30000 Applied Axial Compressi#e Lo
%ange 60 &hermal Axial Compressi#e Lo
itudinal Compressive Load vs Pipe Span (Si!e) *-Euler +u#,ling Str
1oop Elasticity Modulus ( E$
Axial Elasticity Modulus ( Ea
1ydrostatic esign 2asis ( &D
Shear Modulus ( . Mpa)
Pipe ensity ( "# ,g-m.)
Expansion Coefficient ( mm-
Fa (& )
Fa (&
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Lo#al axial stress due to saddle supporting Lo#al s$ear stre
(m) 3.60 support span (m)
(deg) saddle angle (deg)
addle support (mm) 250 !idth of the saddle support (m
ess (Mpa) 44.06 local shear stress (Mpa)
a) 44.48 Allo!a"le (Mpa)
pass %esult
-Lo#al &oop ('xial) Stress vs Pipe Span 0-Lo#al S$ea
Column K Allowable oa!
A""l #e! oa ! A""l #e ! oa !
L, m (D, mm)
Load (KN)
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a user are not allowed to copy, republish and distribute this calculation sheet without
is sheet.
of inputs and the methods limitations is important.
in the technical papers on the WWW.CALCSTRESS.COM website. User must be awa
formation including formula and methods applied and used in this datasheet. oreo& S !T RESP!SI"LE F!R A# $A%A&ES' !%ISSI!S A$ ERR!RS AR
o$al %oo"& tress o$alAx#al &tress
%oo"&tress Allowable Ax#al &tress Allowable
Pipe Span (m)
Local Stress (MPa)
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heet !ssue Date" #$L%&'&*'+
Design Code
ni#al Properties Design a
25200
12500
124
6400
0.400
1800
1.800E+05
124
udinal Compressive Load
) 13.50
Allo!a"le Shell 2uc+ling Stress
Allo!a"le Euler 2uc+ling Stress
d (,$) 30.00
Allo!a"le Compressi#e Load (,$)
ad (,$) 33.94
ss vs Pipe Span (emperature) 2-S$ell +u#,ling S
pa) Long3term 1oop Strength at 456 ( 3 hl(46))(Mpa
pa) Long3term Axial Strength at 756( 3 al (76))(Mpa)
Mpa) Short3term Strength 2iaxial Strength ratio ( r )
Load Factor as sec 89:9494 of 'S; 6
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s due to saddle supporting De4le#ti
9.00 support span
Support &ype Selection
) 250 Support &ype Factor
6.4 eflection (mm)
10.00 Allo!a"le eflection (mm)
pass %esult
Stress vs Saddle 'ngle 5-De4le#tion vs
A" "l#e ! stres s Colum n '
A llowa b le & tr ess A llowa ble & tr ess
L,m (T, C)
Euler Stress (MPa)
50 100 1500.00
20.00
40.00
60.00
D/t
20.00
30.00
40.00
50.00
60.00
De.ection (mm)
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permission.
re of the applied method)s restrictions.
er some sheets and cells are unloc$ed and the formula can change easily. -t has bee SI& FR!% (SI& T)IS CALC(LATI! S)EET. This sheet content may c
o$al&*ear&tress Allowable &*ear &tress
Saddle Angle (deg)
Loacal SearStress (MPa)
0.00 1.00 2.00 3.00 4.00.00
.
nle &"an ,eam wo &"
Allowable )ee$t#on
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6S7 128-*
#tors
124
45
0.20
0.830
0.900
1.000
1.000
1.000
66.23 pass
22.86 pass
12.45 pass
ress vs (D/tr)
)
allowable &*ell
,u$-l#n stress
Ax#al Com"ress#/e
&tress
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n
5.00
925
6.0
12.50
pass
Pipe Span
00 250 300 350
r
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designed for training only. -t may not be complete enoughan*e +ithout any prior notice.
5.00 6.00 .00 8.00
an ,eam An$*ore! ,eam
Pipe Span (m)