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Is there an interaction equation/way to analyze welds on steel if the loading is oblique? I.e. the load can be broken up into components where the load is transverse and longitudinal to the weld?

Simple question - is the Space Launch System being designed man-rated from the get-go, or will this happen later down the road? Anyone in the know?

One more thing. I am thinking of the failure that the ladder leg would punch through the material. So all I am trying to do is find the transverse shear strength of the material. Remember this is a circular plate which is being loaded orthogonal to its plane. I am having a surprisingly...

Excellent suggestion, BAretired. I think I will give that a try at them.

canwesteng, that's a good idea, thanks for the tip. the plate is used for very brief amounts of time (only during cleaning of the cylinder) and then taken off until it's needed again. so no dead load. I am using RAM Elements (the p-delta analysis option) and it seems to be spitting out...

oldestguy, Thing about this is they've been using this for years. I'm guessing someone looked at it one day and was like, "Yeah, we better get this jerry-rigged lexan-stand contraption checked out." So we're analyzing an existing set-up. rb1957, I could certainly do a quick separate analysis...

JStephen, thanks for the input. I found out about the Structural Plastics Design Manual released by ASCE in 1984, but it has been discontinued for some unknown reason and not been updated, which makes me suspicious about looking into it. I sent the manufacturer an email, so hopefully they will...

Hello Eng-tips, This is my first inquiry, so I hope it to not be too juvenile. I am tasked with analyzing a circular plate, simply supported on its edge, with a uniform load in the transverse direction. Essentially, it is being used as a catwalk. The material is Lexan, which has further...