Is anyone aware of requirements in ASCE 7 to increase the wind load due to closely spaced vertical vessels (towers, stacks) of similar shape and height? I know other codes (international and some mechanical) do have a factor based on the C/C distance of the vessels but haven't found anything in...
Hi All,
I have a quick question for individuals experienced in timber design. I work as a structural engineer but most of the structures I design are steel so I'm not great with timber. Here is my scenario: I am building a pergola in my back yard with a pretty large span so I'm a little...
Greetings,
I'm designing an extruded header and have a question about the required replacement area, here goes...
I have a header with tubes coming into it straight and additional tubes coming in at a 45° angle. The ones coming in at 45° are stagerred from the tubes that come in straight. The...
Im doing a spectrum analysis on a structure that is highly irregular so it is very difficult to get the 90% mass participation that the code requires. I was going to use the missing mass correction command to boost the mass participation. Does anyone know what exactly this function does? I tried...