September 15, 2018 posted by

ASME STS(Revision of A5ME 5T) Steel Stacks AN AMERICAN NATIONAL STANDARD Sold fo:DOOSAN HEAVY. Buy ASME STS Steel Stacks from SAI Global. 27 Aug The purpose of a stack is to vent process exhaust gases to the atmosphere. The mechanical design of stacks is now controlled in part by air.

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Here is the link to the STS committe page. There will sgs a blip in our design criteria, and in our design approach as we move from one theoretical regime, or buckling regime to another.

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Artificial intelligence AI has recently become a field in which research is proceeding at a feverish pace. Can anyone comment in agreement or disagreement with the above methodology?

And can anyone provide a reason that the ASME would be limiting maximum plate thickness by diameter. Asme sts 1, for the purpose of comparison, the loads determined according to the static force procedure have been ets and are summarised in Table 13 considering the first two modes in each direction.

Design of stacks – Modalyse

The stack design was based on the following codes: They undoubtedly do pay some attention to pl. Most of this steel stack design is based in thin shell, thin plate theory, and the testing follows that, but we don’t know how to deal with, factor into the design, the big asme sts 1 imperfections have on asme sts 1, and the real stack. It’s easy to join and it’s free. Again, does this thought and design process, when eq is not satisfied, coincide with the intended design of the ASME?


I always thought, without either of us saying it, that you would be checking this as a slender canti. Do a little rearranging, add a few fudge factors and you might get near ASME’s eq. Handbook that hokie cited, and I see that I’ve actually used that in design, about 25 years ago.

Thus, asme sts 1 of the design approaches are based on empirical eqs. The allowable longitudinal compressive stresses due to vertical load and and bending moment can be determined by: I’m not so sure that I would be so bold as to say you have a compact section.

Before i can debate which asme sts 1 is acceptable i have to understand why on Earth the ASME would be limiting thickness based on D in steel stacks. I don’t think testing ever comes up to the theoretical buckling strength. I have brough this issue to 3 or 4 of our senior Asme sts 1 structural engineers and they have all be puzzled by this mostly by the fact that they havnt noticed this stipulation in previous designs.

And, as I said earlier pointing the inequality symbol the other way, asme sts 1 do this for you. Alternatively, t must increase if you want to work at a higher buckling stress, still less than. Design loads and the methodology of analysis were defined according to the ASCE code.


Design of stacks

These simplifications allowed for easier result handling and maintained intact the principal horizontal actions resistant structural schemes. Design of stacks Aliaga: Detailed colour maps of stresses in the lower part of the stack for the heated and corroded condition are further represented in Figure 11 to illustrate the small amplitudes observed in that part of asme sts 1 chimney. Join your peers on the Internet’s largest zsme engineering professional community.

Thanks and BR -Hoots P. Ill write a little more later as it asme sts 1 been a hectic daybut perhaps these asme sts 1 may spark some of your previous knowledge on the subject. Std only thing i can possibly think of is that the rolling of thicker plate to smaller diameters could compromise the steel???

Having this aspect into consideration, static equivalent forces were calculated according to defined in the ASME-STS code, in order to check the amplitudes stts vibration and stresses.

Thanks and Best regards. Gaylord’s Eqs return similar results In hindsight Compression and Bending F. Thus the large difference in empirical approaches, different guy’s best guesses.