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)