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#47778 - 03/14/12 11:08 PM Problem in out put (help)
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
Dear Freinds,

I am using CAEAR II 5.3
My line siz is 60 inch flare line and unit is English, the out put shows ********* in moments
but when i change units in SI, then its shows the value.
Please clear my problem, actually nozzle loads to be given to vendor. In Eglish unit

Awaiting your reply,

Thanks & Regards,
SMA

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#47779 - 03/15/12 03:08 AM Re: Problem in out put (help) [Re: smapiping]
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
anybody can help me

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#47780 - 03/15/12 03:11 AM Re: Problem in out put (help) [Re: smapiping]
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
Dear Richard,

Can You reply about this problem,..........

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#47800 - 03/16/12 04:59 AM Re: Problem in out put (help) [Re: smapiping]
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
anybody help

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#47809 - 03/17/12 08:45 AM Re: Problem in out put (help) [Re: smapiping]
Richard Ay Offline
Member

Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
The value you're trying to output is too large for teh allowed format. Try the "Custom Report" option, where you can set the format.
_________________________
Regards,
Richard Ay - Consultant

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#47815 - 03/17/12 09:30 AM Re: Problem in out put (help) [Re: smapiping]
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
Thanks Richard,
I am using CAESAR 5.3.
Can you tell me in caesar where we found.

02nd question:
W+P+T+WIND1............
about this load we have any code reference.
if you know please send me.
Awaiting your reply.

SMA

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#47816 - 03/17/12 09:33 AM Re: Problem in out put (help) [Re: Richard Ay]
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
Thanks Richard,
I am using CAESAR 5.3.
Can you tell me in caesar where we found.

02nd question:
W+P+T+WIND1............
about this load we have any code reference.
if you know please send me.
Awaiting your reply.

SMA

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#47817 - 03/17/12 01:45 PM Re: Problem in out put (help) [Re: smapiping]
Richard Ay Offline
Member

Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
1) Custom Reports have their own toolbar in the output processor. Just mouse-over the buttons and read the tool tips - you'll find it. I suggest you review this concept in the documentation, so you have a head start on how to use it.

2) This is an OPE case, so be default the B31.1/B31.3 codes don't consider this a stress compliance case. You want this case for maximum loads and deflections, not stresses. For stresses, you want the effects of wind add to the Sustained load case. Like this:

1) W+T1+P1 (OPE)
2) W+T1+P1+WIND1 (OPE)
3) W+P1 (SUS)
4) L1-L3 (EXP)
5) L2-L1 (OCC) {construction case to obtain the effects of wind}
6) L5 + L3 (OCC) {this is your stress compliance case}
_________________________
Regards,
Richard Ay - Consultant

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#47822 - 03/18/12 12:04 AM Re: Problem in out put (help) [Re: Richard Ay]
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
Thanks To reply Richard,

My boss told me give code reference there is mention is 2) W+T1+P1+WIND1 (OPE). he says there is not mention in code.
and please help me about this.
Awaiting your reply.

Thanks & Regards,

SMA.

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#47825 - 03/18/12 06:48 AM Re: Problem in out put (help) [Re: smapiping]
kumar73 Offline
Member

Registered: 05/23/05
Posts: 69
Loc: India

Wind loads can be specified either with basic wind speed or the actual wind force. If the basic wind speed is specified, American society of civil engineers or uniform building code can be used to derive the wind force.
Wind force is applied at the outer surface of the pipe including insulation. The area to be applied is the projection area perpendicular to the wind direction in consideration. Normally, only two mutually perpendicular horizontal directions are considered.

The vertical wind compound is considered only if it is stipulated in the design specification. The wind effect on the part of piping that is either inside an enclosed building or shielded by a proper object can be ignored. The stress produced from wind load is generally classified as an occasional stress
B 31.3 ONLY stipulate that the sum of longitudinal stress due to pressure, weight , and other sustained loading , SL, and of the stress produced by occasional loads , such as wind or earthquake , may reach as much as 1.33 times the basics allowable stress at design temperature.
No code in this world tells do these loads case.

Hope you understood.

May be your boss not guiding properly.
_________________________
KUMAR

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#48276 - 04/11/12 01:56 AM Re: Problem in out put (help) [Re: kumar73]
smapiping Offline
Member

Registered: 05/18/11
Posts: 21
Loc: India
kumar,
u r right but i want to know the same . I am talking about the wind+operating for nozzle load checking this case means wind+ope is mention in B31.3 or any ref.
awaiting your reply.


regards,
smapiping

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