Hello,
I have a customer who is insisting that the area provided by a repad be sufficient through all cross sections - the minimum cross section of course being the horizontal one.
I have tried to explain that per API 650, the area to be replaced is measured vertically. The definition in...
Hello,
Currently trying to design (well, check) a girder in SAP2000. It's ~440 inches long, loaded by a number of rafters along its length. The issue I am having is that because of its length, SAP seems to think it has no moment resistance. The analysis is only in the 2D plane of the...
Hello all!
I'm a pretty new mathcad user and I'm not familiar enough to find the solution to my problem alone. It should be pretty simple, it's just a matter of my not understanding how mathcad is using these variables (or lacking a programmer's mentality and ability to think the logic...
Hey everyone,
I am trying to design a stairway using channels for stringers. The loads are getting too high for the span, and so I thought to attempt a built up channel, using plates and angles. Interestingly, upon changing from a C18x58 channel to a built up section of approximately the same...
Hi everybody.
I'm working with a structure where I need to have a supported load of 1000 lbf anywhere. I will be converting this requirement into a 50 psf load over a 20 ft^2 area. My structure is such that the shell elements between secondary beams are essentially 20 ft^2, and so I will...
