Hi,
If we pump the raw water 400 m3 per hr with two 8" GI pipe, is it the each 8" piping will carry the flow rate 400/2= 200 m3 per hr ???
Or better change to 12" pipe with single line ??
Thank you
HY Tan
> >Any suggestion on how to analyze the system?
> My first reaction is to retain me to do the analysis, but it's not all
> that difficult. The tower displaces in a certain direction taking one end
> of the pipe with it. Assume that the tower is much stiffer than the pipe
> (check this later) so the displacement of the pipe equals that of the
> tower. Find your strength of material book and look for the beam loading
> developed in guided bending (slope zero at both ends, but one end loaded.
> Find the formula for displacement and calculate the force corresponding
> to the tower displacement, then figure the remaining loads.
>
> This is a simple approach yielding a conservative force on the pump
> because it ignores the restraint imposed by the spring and the other pipe
> supports. If the load on the pump is way too high, you can do the problem
> manually with a little more work required to calculate the redundant
> reactions.
>
> Including the spring support and any others makes the pipe statically
> indeterminate, so you'll probably have to use one of the energy
> approaches to figure the redundant loads. My favorite is the 3 moment
> equation. It's a no-brainer with FEA, (not to imply that FEA doesn't
> require both experience and the brains to learn from it, just that it's
> an easy afternoon's work.)
>
> Christopher Wright P.E. |"They couldn't hit an elephant at
> chrisw@skypoint.com | this distance" (last words of Gen.
> ___________________________| John Sedgwick, Spotsylvania 1864)
> <a href="http://www.skypoint.com/~chrisw">http://www.skypoint.com/~chrisw</a>
>
>
>
>
>
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