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# RE: Pipe Wall Strength

• To: <seaint(--nospam--at)seaint.org>
• Subject: RE: Pipe Wall Strength
• From: "Michel Blangy" <mblangy(--nospam--at)satco-inc.com>
• Date: Mon, 17 Mar 2008 13:32:50 -0700

```How funny. I initially considered addressing my question directly to you
Chris. Thanks.

Michel

> -----Original Message-----
> From: Christopher Wright [mailto:chrisw(--nospam--at)skypoint.com]
> Sent: Monday, March 17, 2008 1:35 PM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Pipe Wall Strength
>
>
>
> On Mar 17, 2008, at 4:03 PM, Michel Blangy wrote:
>
> > How can I calculate the wall strength of a round pipe with a
> > concentrated load perpendicular to the wall?
> This can get tricky. There are two types for problems one where the
> concentrated load is applied between suports--in that one you have to
> figure the bending strength of the pipe, then figure the local
> stresses at the load. If the concentrated load is directly at a
> support, the classic calculation method is outlined in WR107. There
> are limits to the applicability of the calculation but it's the one
> that's usually used unless you have FEA available. If the pipe wall is
> thick D/t<15 or so, you could fake it with some of the ring load
> problems shown in Roark. Or you could fiinesse whe whole thing with a
> support ring at the load (which you might need anyway if the load is
> high and the pipe is thin.
>
> Christopher Wright P.E. |"They couldn't hit an elephant at
> chrisw(--nospam--at)skypoint.com   | this distance" (last words of Gen.
> .......................................| John Sedgwick, Spotsylvania
> 1864)
> http://www.skypoint.com/~chrisw/
>
>
>
>
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