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  1. EN13480-3 Tee Branch Reinforcement Pad Calculation


    I am doing the branch tee reinforcement pad requirement calculation according to EN 13480-3 section 8.4.3. I have some queries as below.

    (1) In Equation 8.4.3-4 ( lpl <= ls). I have calculated the effective reinforcement of shell pipe (ls) value according to equation 8.4.1-2 which is coming around 190 mm. So According to the equation I can use the reinforcement pad width less than ls means less than 190 mm. If I follow the above equation * it will never satisfy the final equation 8.4.3-6. it seems this equation is not correct.
    If code restrict the reinforcement pad width how we can satisfy the final equation without increasing the pad width where reinforcement pad width is also limited to eas according to equation 8.4.3-5. Refer attached code page attachment (EN13480-3-Page-82.pdf). Please suggest.

    (2) EN13480-3 equation 8.4.3-5 condition eapl<=eas shall be satisfy.
    I am using the reinforcement pad thickness same as shell thickness* means pad will be cut from shell pipe during fabrication.

    I am using the nominal pad thickness same as shell thickness 16 mm with assuming same corrosion allowances. Refer below calculation.
    My nominal shell thickness en=16 mm. c0=3.4* c1=0.3 eas=16-3.4-0.3= 12.3 mm.
    Plate thickness used enpl=16mm. c0=3.4* c1=0.3 mm. so eapl=12.3 mm.

    Is my calculation & understanding is correct.

    As in brief above code restrict the reinforcement pad thickness as well as width to compensate the cutting area for branch.

    Please find attached my detail calculation. (Terna Reinforcement pad Calculation30052017.pdf)
    Attached Thumbnails Attached Files
  2. Masters in Fire Protection Engineering


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  3. University for masters in fire protection engineering


    I would like to do masters in fire protection engineering. Please suggest some good universities to do masters in fire protection engineering.

  4. Valuable training material for petroleum cmmunity


    I have 15 days access for

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    I am trying to save screen shots (auto save by pressing "window sign + prt sc" but its difficult and very lengthy process.
  5. Instrumentation text for free

    hai there for" kishore karuppaswamy" or "kishore koduvayur" in google for all engineering related text books and go to instrumentation text........dont forget to comment in the blog if you feel it is helpful......
    jibeesh k
  6. H2S Removal from crude oil

    Quote Originally Posted by emad19870 View Post
    Dear All*
    We have offshore topside facilities which is not designed for suor service . We are going to tie back new oil wells have a significant amount of H2s .
    What the best practical technology and facilities to remove the H2s before entering it to the existing facilities?
    There is no "simple" solution* you have to change the metallurgy to be able to sustain sour crude composition because hydrodesulphurization is out of question - no one does it on crude oil... Typically sour crudes contains also other corrosive contaminants* sometime high salt level* heavy metals* it can have also higher TAN (total acid number)...
  7. H2s removal from crude oil offshore

    We have topside facilities offshore which not designed for handling sour oil . We are going to tie back new wells having h2s and co2 content. What is the best available h2s removal units and technology to treat the multiphase crude before flowing it into the existing facilities offshore ?
  8. Chemical Enginering Magzine* Regularly Updated.

    Quote Originally Posted by gusgon View Post
    There you have:
    Aqui esta el link para las tres revistas:
    Muchas Gracias GUSGON :
    Me hacia mucha falta para mi trabajo
  9. ASME B36.10M-15 Welded and Seamless Wrought Steel Pipe

    Quote Originally Posted by Mechen View Post
    ASME B36.10M-15 Welded and Seamless Wrought Steel Pipe!wkdAjQiA!0KVCNHMIs...uFi9pvWYLyNmW8
  10. Power Station Practice

    Can any one upload the ebook of Power Station Practice by J. Arogyaswamy.
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