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Recent content by ist49869

  1. ist49869

    Thrust Restraint - Buried Steel Pipe.

    Hi all, I’m sorry for the late answer, I had other things to do, like enjoy the sun. If you don’t mind I won’t comment your latest posts. I would like to give you a Kisse – kind of stupid and [too] simplified example: Pipe: OD = 711 mm; Thickness = 8,8 mm; Bend: Angle = 37º; Pressure: 231 m of...
  2. ist49869

    Thrust Restraint - Buried Steel Pipe.

    stanier, I have worked for refineries for less than one year and I also have never used a thrust block. However this is different and I am sorry if I didn´t explained the context of my problem correctly. I am a junior designer of pipelines for penstocks (small hydropower plants), which have...
  3. ist49869

    Thrust Restraint - Buried Steel Pipe.

    Dear ione, Thanks for the reference. If I am reading it correctly, if we have let’s say a large diameter buried conduit of 500 m between two anchor concrete blocks, we only have to guarantee a certain distance between fittings (where direction changes) without requiring the use of extra blocks...
  4. ist49869

    Thrust Restraint - Buried Steel Pipe.

    Dear all, I want to evaluate if we have to use thrust blocks for direction changes of a welded buried pipe installation. I found a Restrained Joints design procedure herein: http://www.dipra.org/pdf/thrustRestraint.pdf ,but for ductile iron pipes. Does anyone have used a similar procedure...
  5. ist49869

    STIFFENING RINGS FOR NON CYLINDRICAL SHELLS [ASMEVIII-UG-29].

    "Is there any reason you cannot apply Appx. 13?" Yes, ignorance. Sorry, I am new to ASME VIII, for most of my work I only need AWWA. Best regards.
  6. ist49869

    STIFFENING RINGS FOR NON CYLINDRICAL SHELLS [ASMEVIII-UG-29].

    Dear Sir/Madam, I wonder if anyone can provide me with a procedure for calculating a Stiffening Ring, as the one presented in ASME VIII - UG-29 for cylindrical shells, but without circular cross section (it's a square to circular nozzle). Note that I am not limited to a Code. Thanks in advance.

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