Dear J Montero
You can refer to Pipeline Rules of Thumb Handbook 3rd edition, EW McAllister. page 82. You can see detail formula and example calculation. Present I am working calculation about this and I refer to this Handbook. Position of My anchor block between pipe leaves the ground and Pig receiver.
thank's
Yudi
JEMontero <montero.je@gmail.com> wrote:
Thank for your comment, but I´ve some questions about it:
Mr. Rajendra Bajikar., which NFPA ? sorry but I was talking about a gas pipeline.
Mr. Arief, I need to stop the displacement near the scraper trap
(when pipe leaves the ground).
Do you talking about to use a expansion loop ?
again thanks.
jemontero
On Thu, 6 Jan 2005 15:52:06 +0700, Arief Agung
wrote:
>
>
> Dear J. Montero,
>
> Last time, I have involved the same like this. The force will be very
> big because we stop the displacement of pipe using anchor due to
> temperature change.
> I calculated the force using two ways. First using manual calculation
> based on Pipe stress analysis book (Sam Kannappan) and second I use
> Caesar to modeling the underground pipe.
> And then, I use the anchor flange (inside of concrete block) to hold the
> force (ASME sec. VIII div1 appendiks 2). Concrete block calculation by
> civil.
> If it is possible, We might be release the pipe to move. I mean if the
> location of equipment to be protected from displacement is far from the
> anchor block. Let the pipe moving so the force will go and no need to
> provide anchor block. We can check the value of displacement at
> equipment using caesar.
> Please correct it, If I'm wrong. Sorry.
>
> Thanks
> Regards
> Arief
>
> -----Original Message-----
> From: rajendra bajikar [mailto:rajendrabajikar@yahoo.com]
> Sent: January 6, 2005 12:33 PM
> To: PipingDesign@yahoogroups.com
> Subject: Re: [PipingDesign] Pipeline Anchor
>
> Dear J Montero,
>
> Please refer NFPA - Rules for laying pipes and Appendix A thereto which
> treats your subject fairly well. I hope this will be of use to you.
> Regards,
> Rajendra Bajikar.
> India.
>
> JEMontero wrote:
>
> Hapy New Year 2005 for al!!
>
> Some of you, could indicate where to obtain information to me on
> blocks of anchorage for pipe lines. I am making a flexibility study to
> determine the forces in the anchorages in the points where the pipe
> leaves the ground, and they are to me force very great. It would be
> thankful if somebody says to me where I can obtain information on the
> matter. again thanks.
>
> jemontero
>
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[Non-text portions of this message have been removed] Received on Thu Jan 06 23:05:00 2005
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