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  1. Tauhooyee

    Pipeline Overbend Stress Calculation

    Dear All Very Appreciate for all responded. I am already uploaded the sample of the drawing. My opinion is the pipe in HDD section look like is in the bentonite fluid and it has the buoyancy force acting to the pipe. The tie-in point with bend (almost cold bend) is on the ground as i mention...
  2. Tauhooyee

    Pipeline Overbend Stress Calculation

    Dear Alchemon very appreciate for your answer. Our pipeline design base on ASME B31.4, I would like to know the stress check at tie-in point with HDD both end during operation. Just like a hanging point after back fill and operation at the overbend point, I am not sure combined stress should be...
  3. Tauhooyee

    Pipeline Overbend Stress Calculation

    How to calculate pipeline overbend stress on the onshore pipeline during operation? I have the problem just like after completed HDD work and tie-in with overbend to keep the pipeline profile according to requirement. Can anyone to help to solve this stress calculation check?
  4. Tauhooyee

    HDD S-Curve

    Dear All Very appreciate for all responded.
  5. Tauhooyee

    HDD S-Curve

    Dear Sir Yes, my question are the stress calculation for installation and operation.
  6. Tauhooyee

    HDD S-Curve

    Dear Sir Another attached file by PDF. Very appreciate for your responded.https://files.engineering.com/getfile.aspx?folder=61edb038-70d1-44df-97e5-63731b996d3b&file=Option_Horizontal_1_Curve.pdf
  7. Tauhooyee

    HDD S-Curve

    Dear Sir Already attached file by PDF. Very appreciate for your responded.https://files.engineering.com/getfile.aspx?folder=77d9c665-4e61-4dc7-b6ef-9202e2b1e5a5&file=Option_Horizontal_S_Curve.pdf
  8. Tauhooyee

    HDD S-Curve

    And this is another location for the problem about the HDD stress calculation during pullback. We can not construction by another method due to the area limit.
  9. Tauhooyee

    HDD S-Curve

    sorry for my poor English language. This is my problem as the picture to calculate the stress of HDD during pullback.
  10. Tauhooyee

    HDD S-Curve

    How to calculate stress of HDD construction according to S-curve in the horizontal plan and also curve in the vertical in 1 HDD. It look like combination radius of horizontal and vertical. Very appreciate for all answer
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