Steel Stacks. standard by ASME International, 09/01/ ASME STS April Steel Stacks Addenda to ASME STS Edition, Steel Stacks. Title, ASME STS Steel Stacks. Publisher, American Society of Mechanical Engineers. Length, 96 pages. Export Citation, BiBTeX EndNote RefMan. Buy ASME STS Steel Stacks from SAI Global.


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Equation says i cant go above 16mm when using the design cases that result asme sts-1-2011 a requirement of 22mm I and many other in my office are. I actually found some older books on buckling that may point asme sts-1-2011 in the right direction near the end of the day today.

Design of stacks - Modalyse

Ill take asme sts-1-2011 look at them tomorrow. Thanks for your reply. There should have been discussion of the standard in asme sts-1-2011 proceedings before it was adopted, and there might well be a code case on this very question.

asme sts-1-2011 Timing has a lot to do with the outcome of a rain dance. I wasn't saying you made a typo. I have never seen a situation where thickening a plate made a buckling problem worse, at a asme sts-1-2011 stress level, unless it changes the buckling from one mode to another, and their cases are based on the former.

You say your own calcs. 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. asme sts-1-2011

Design of Steel Stacks in Australia

I think you should call ASME and find asme sts-1-2011 who's on the committee that works on that particular code. Get in touch with a couple of them, and find out what their take is on this conundrum, because you and all us old guys don't understand the rationale, and we want to asme sts-1-2011.

There certainly shouldn't be anything embarrassing about asking that kind of question of them. Table 4 systematises asme sts-1-2011 data, namely dimensions, mass and damping ratio defined according to the ASME STS specificationforce coefficients and importance factor.

The results of a complementary verification of the sensitivity of the chimney to vortex shedding are summarised in Table asme sts-1-2011, following the methodology proposed in the ASME STS specification.


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

The very high calculated amplitudes of vibration and stresses motivated the option to implement a tuned mass damper TMD tuned to the direction Y most flexible direction.

Asme sts-1-2011 the other horizontal direction this TMD is not required as the vortex shedding critical velocity Seismic effect According to the UBC code, the asme sts-1-2011 force procedure cannot be applied to this chimney, considering the corresponding height.

Therefore, seismic effects asme sts-1-2011 evaluated on the basis of a response spectrum analysis. With that said, the allowable stress includes a safety factor of 1.

Design of stacks

The other point to asme sts-1-2011 is that the wind load predicted by each code is dependent on the inherent damping of the structure, which, in the case of aerodynamic damping, is dependent on the wind velocity. Hence, to directly compare wind loads generated on the stack, the same input velocity must be used so that the same damping is applied.

CICND uses asme sts-1-2011 common exponent to describe the variation of wind speed with height.


CICIND is a asme sts-1-2011 states design code, which asme sts-1-2011 considered more appropriate for large stacks given that second order effects are often significant.

In summary, the strength assessment for each design code has been developed specifically for use with the method provided to calculate wind loads.

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