meca

MecaStack is capable of analyzing a elevated structure, such as a building or heater stack.  The challenge is determining the overall frequency of the stack...

MecaStack is capable of analyzing a elevated structure, such as a building or heater stack.  The challenge is determining the overall frequency of the stack...

Here is an example of a deadman reaction in MecaStack that is indicated negative vertical reactions.   The negative vertical loads don't act...

Refer to this article for more detail and guidance on steel stack deflection:  Stack Deflection   

Here is an article to help explain how to determine what structural damping you have on a stack.   https://www.mecaenterprises.com/how-to-determine-damp...

Here is an article that explains many of the considerations that should be taken into account when using Helical Strakes. https://www.mecaenterprises.co...

A group of stacks is a bit of a tricky issue.  The ASME STS-1 code doesn’t give a lot of guidance on design of a group of stacks.  STS does have a calculati...

Note:  This article is related to ASME STS-1-2016, and that standard has been since replaced by ASME STS-1-2021.  Here is more information on ASME STS-1-202...

Unfortunately, there isn't an option to allow you to represent one guy wire as damaged or reduced.  I don't know how many guy wires you have per ele...

This is based upon a real world situation we encountered. Usually assuming 0.002 structural damping is conservative; however, we had a user that used 0.002 ...