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  1. woodeispare

    Hydro Dam Penstock Evaluation

    Thank you for that info, that's what I was looking for.
  2. woodeispare

    Hydro Dam Penstock Evaluation

    I had originally posted this question in the Mechanical forum but I thought I would try posing here as well. Thanks for Reading. I am working to determine the minimum thickness of a set existing steel penstocks (14' diameter steel pipes). The penstocks are supported every 15' by concrete...
  3. woodeispare

    Zick's analysis on steel penstock?

    Thanks for the replies. I put in a request for the ASCE Steel Penstocks Manual, hopefully it will be in soon. Another issue I haven't been able to nail down is the water hammer caused by closing the gates. The way the headworks are set up there are five separate gates that control flow through...
  4. woodeispare

    Zick's analysis on steel penstock?

    Thanks for the information. The penstocks are actually even older...they are made from riveted steel and were built around 1910-15. I have been able to calculate the hoop, shear, and bending stress. I know that the hoop stress from internal pressure is the most significant, however I want to...
  5. woodeispare

    Zick's analysis on steel penstock?

    Hello, I am working to determine the minimum thickness of a set existing steel penstocks (14' diameter steel pipes). The penstocks are supported every 15' by concrete saddles and there is some noticeable buckling around the horns of the saddles. I have seen the stress at this point called...

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