Dear Mr Sajit Viswan,
Pipe is of 18 inch dia ie 457.2 mm ihad typed 0 insted of dec pt. length odf pipe is 1.2 kms. i had worked on the data but unable to get the bending stress as i'm not clrared what restrained and unrestrained pipe line meansas i got the redy made stress calculated but i have to verify them as part of my project, the value of bending stress for restraind pipe is 17014psi but how it comes i cant find ou pls help me.
regards,
Parag
Sajit Viswan <sviswan@tebodin.co.om> wrote: Parag,
Is the pipeline of 45 meters in diameter? You need to check the D/t and the whether the thickness can take this pressure.
Can you pls express more, as to why you are not able to calculate the bending stresses.
Sajit
-----Original Message-----
From: parag3010 [mailto:parag3010@yahoo.com]
Sent: Wednesday, July 28, 2004 7:27 PM
To: <a href="/group/PipingDesign/post?postID=y9tk8NN9wIPHkaQ248iPNSDMCXSunCVkhDVSErOazov03zu-KCU6RHYclvqrsgwFW2h2cG2gdxTQCLpoFj9h6AMi">PipingDesign@yahoogroups.com</a>
Subject: [PipingDesign] burird pipe line design
dear friends,
i'm a M-tech student working on the project of buried pipe line
design bsic work done by technip i got the following data
Input data:
Pipeline od D 457.02 mm
Nominal wall thickness 6.4mm
Design pressure 63.5 barg
Pipe design factor F 0.72
Design temp 100 deg c
operating temp 28 degc
Steel grade X60
SMYS of pipe 60000 psi
Youngs modulus 30000000 psi
Thermal coeff of exp 1.17E-05
poissoins ratio 0.3
i have to verify calculation for minimum elastic bend radius,
forthat I have to find the restrained bending stress and unrestrained
bending stress. icant get them .pls help me to get it
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[Non-text portions of this message have been removed] Received on Fri Jul 30 07:35:00 2004
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