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Recent content by pphawk

  1. pphawk

    how to calculate the wall thickness for a journal bronze bearing

    Hi, I can't find how to calculate the wall thickness for a journal bearing. there is a lot of information about the allowable pressure, but for the thickness, there is no information. Can you give some information about it? TKS
  2. pphawk

    Where to but used/refurbished machinery

    I live in Ecuador, and the machinery here is very expensive (and Chinese)I have a limited budget so it is better and cheaper if I buy them in US. Do you know amy warranted refurbished machinery seller?
  3. pphawk

    Where to but used/refurbished machinery

    Hi, I want to travel to USA in order to buy a milling machine and a lathe. I have been looking for a good machinery seller but just a few ones give warranty for the machinery. Could any one of you give some advice about where to buy (used/refurbished) machinery, any state is fine. I would prefer...
  4. pphawk

    2 meter steel pipe expansi=n joint

    Littleinch, it is possible a Pipe bellow for a 2 m día ? In my country I will not find a bellow. May be there is another solution.
  5. pphawk

    2 meter steel pipe expansi=n joint

    Yeah, m is for meters, the fluid is water. Its an outdoor pipe. This pipe line is going to be usted for a hydroelectric Power plant. The pressure isnt big, i calculate its around 70 psi. The thermal expansion will be less than 1/2".
  6. pphawk

    2 meter steel pipe expansi=n joint

    Hi every one, i need to design a 2m dia EJ. Being honnest, i dont know how, or where to begin. The pipe is placed bewteen two concrete tanks. Its length is 65 m. The pipe is made of SA 516gr70. Do i need an EJ, there is no place to use a Expansion loop. Pelase help me, thanks for your replys
  7. pphawk

    how to model cable suspended bridge in SAP2000

    no, it isn't for school. I designed it by myself but I want to check the design using this software
  8. pphawk

    how to model cable suspended bridge in SAP2000

    Hi, I am modelling a 220m suspended bridge. the cable geometry was defined by including a 22m vertical sag; it gives a 27438 kgf of horizontal tension. then I want to draw the tensor so i decided to modify the cable geometry by dividing it into 72 parts, but each section has changed the...
  9. pphawk

    panel zone in hss column

    tks sandman21, in other words, I have to use two R coeficients? one as special moment frame for the beams and columns and the second one for the panel zone un the connection as an OMF?
  10. pphawk

    panel zone in hss column

    Hi everyone, I do not figure out how can I get a panel zone in a special moment frame if I have to use a HSS column because there are two webs. THANKS FOR YOUR REPLIES
  11. pphawk

    UT best equipments

    Hi Darthsoilsguy, I am goino to inspect at both, shop and field. The defects that I am interested in are piping porosity, slag inclusions, incomplete fusion an penetration. I have to inspect up to 2" thick flanges of A588 steel. what do you think about Sonatest Ut equipment? Thanks for your reply
  12. pphawk

    UT best equipments

    Hi every one, I am going to buy an UT equipment in order to inspect steel girders. I have seen that Krautkramer (GE) is well used in this field of inspection but, is this the best equipment to perfom this inspection? What other brand can I use for UT. Thanks folks!!
  13. pphawk

    CWI practice exam

    Hi everyone, I took the CWI exam a couple months ago and I didn't pass the practice exam, so I have to retake that test. Does anyone know where I can find more information related to this exam. There is a copy of the test boolet of past exams, where can I find it? Any clue to help me in this...
  14. pphawk

    light weight floors and steel deck

    Hi every one. I am searching about light weight floors, there is some new technology about it or the steel deck with concetre is the unique solution for this application? In addition, any one can tell me why does the moment or inertia in steel deck (technical tables) has the units of in4/ft...
  15. pphawk

    A64-42 Steel

    Hi every one! Does anyone know about A64-42 steel? Because I have some drafts in which this steel is mentioned for a bridge. ASTM doesn't have any standard about this type of steel
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