For a simple clear span how does the strength of a Z shaped steel beam (2 Ibeams connected via plates) compare to the strength of a straight steel beam and more specifically, how do you calculate the moment and the connection required?
Developer/GC on a residential project where I have a choice between geothermal and VRF (possibly heat recovery) - no gas service, and we do not want propane, so any solution is electric.
Zone 4a, big shoulder months, a lot of south facing glass, the house is very tight (closed cell foam and ICF...
is there a thread that specifically discusses electromagnetism? I am posting to electric motors since I believe there is a lot in common in the subject matter and what I am after, and so I expect I might find engineers with the right expertise here.
Specifically, I want to calculate
- the...
I am a builder trying to understand one aspect of HVAC duct work design.
Non-engineering literature I have reviewed seems to not properly discuss the effect of pipe size on efficiency in delivering air through a HVAC system because it assumes the CFM is constant rather than the static pressure...
I am builder for a project, this will go to engineering before permitting but I am trying to solve a conceptual problem so as to put together a preliminary design and budget. Time is of the essence and my structural engineer is hospitalized for the next two weeks so I am turning to the forum for...
