Hi
It wasn't clear form your original post what level of expertise you had, my apologies for sending you a basic lesson in scantling calcs.
In my defence, I am teaching the basics of pipe pipe stressing to two colleagues, one is experienced at FEA and the other is a civil engineer. By comparison, the piping design forum is a bit of light entertainment!
I think some of the other list members have suggested methods of
estimating
schedules, although there are so many variables involved that I would
be cautious in using rules of thumb for anything other than making a
first estimate.
I had a quick look at your spreadsheet (not a formal check) and it looks OK. I couldn't see what tR = (t+c)/0.875 and TR = 2t+c were used for.
Hope that helps
Barbara
-----Original Message-----
From: A.V.ACHARYA [mailto:anupacharya@vsnl.net]
Sent: 03 October 2001 17:18
To: <a href="/group/PipingDesign/post?postID=nx-n6MGuK_X3T163J6BK9BNSOMeX7MhnwIopdi0L4S6xavjjZwcr5CDiOoVliqgsEaXvvIbi7Qu5wUI7HZ4U4KNEEQ">bjames@mitsuibabcock.com</a>
Subject: RE: [PipingDesign] hello
At 09:15 AM 10/1/01 +0100, you wrote:
><a href="/group/PipingDesign/post?postID=nx-n6MGuK_X3T163J6BK9BNSOMeX7MhnwIopdi0L4S6xavjjZwcr5CDiOoVliqgsEaXvvIbi7Qu5wUI7HZ4U4KNEEQ">bjames@mitsuibabcock.com</a>
hye barbara ,
i knew that ....i just wanted a thumb rule for estimating the
pipe thickness
i am enclosing a spreadsheet i developed for estimating the pipe
schedule
please let me have your comments
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