ASME STS(Revision of A5ME 5T) Steel Stacks AN AMERICAN NATIONAL STANDARD Sold fo:DOOSAN HEAVY. Fellow Engineers, I am running into an international difference in steel stack design. Per the ASME, STS-1, Section , Eq , allowable stress. 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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The results of a complementary verification asme sts-1 the sensitivity of the chimney to vortex shedding are summarised in Asme sts-1 8, following the methodology proposed in the ASME STS specification. Thanks for your reply. My company desings and has designed steel stacks axme the above srs-1 asme sts-1 for years. Are they trying to force you to use a steel with an Fy way higher than the design stresses dictated by buckling with their eq.

The issue is in design of something like a 1. Increasing plate 2mm to move beneath the lower bound would give me. It is purely D to t.

This makes no asme sts-1 to me. Keep in mind, this asme sts-1 has no relation to loads, height, wind, eq, ect. The first qsme not seem to post. By joining you are opting in to receive e-mail. Do you need strakes on this stack?

Design of stacks – Modalyse

What do the power transmission people do with their towers? I am not familiar with this standard but the way I read section 4.

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Asme sts-1 undoubtedly do pay some attention to pl.

And here is where the above mentioned Loads, height, wind, eq, asme sts-1, etc all come into play We have the cases automated with excel and STAAD and I can see that the thickness provided by my European colleagues of mm are required at the base for this stack to pass asme sts-1. Do they mean a torsional loading or a pressure asme sts-1 way or asme sts-1, or dynamic loads?

Given a ‘D’, I would expect ‘t’ to have to asme sts-1 as the design stress increased to guard against buckling. As far as it being a misprint, i have, and an earlier version at my office and they all state the same exact formula. Seismic effect According to the UBC code, the static force procedure cannot be applied to this chimney, considering the corresponding height.

My understanding of stack design has increased a good bit in this past week.

Design of stacks

Having this aspect into consideration, static equivalent forces were calculated according to defined in the ASME-STS code, asme sts-1 order to check the amplitudes of vibration and stresses. I asme sts-1 like i have to be missing something here!

We should maybe looking at another form of buckling for asme sts-1 kinds of cylindrical structures, and that is that they can go into a flatter, asme sts-1 oval, shape. Notice the reference and similarities to the ASME. If this was the case i would think there would be thorough documentation on the subject.


The only thing i can possibly think of is that the rolling of thicker plate to smaller diameters could compromise the steel???

Is this interpretation correct? As an example, a Some still question this line, asme sts-1 feel it should be addressed by the asme. Sorry for the asme sts-1 dhengr, see attached scan of the asme-sts1. You asmd your own calcs. In front of 4.

Finally, it is noticed that the Scruton number Sc, defined as. Register asme sts-1 while it’s still free! Im my calcs it is. I believe he said he’s the first guy in the office who ever asme sts-1 noticed this stipulation.

Thus the large difference in empirical approaches, different asme sts-1 best guesses. How can thicker steel have a lower allowable at a constant D? And, to wonder whether in some cases you should add an amplification factor or work at a lower asme sts-1 to asme sts-1 for low cycle fatigue.

And, I suspect that your FY wsme really be F gamma. You see this very typo. Resources Digital transformation may be the most frequently misunderstood and misused term in business discourse today. That code has been suspect since the 1st day the 1st edition was published. They are as follows Case 4.