I was studying the B&W book and I wonder, how does one justify a "bottom supported" design and allow increasingly larger and larger slenderness ratios in the tubes supporting the steam drum. I realize this is a pretty general question, but I'm looking for some basic info here. Mind you, I have...
I am a structural engineer in the mid-west and have a project that would put snow drift load on an existing structure. The existing roof construction is bar joists @ 4'-0" o.c. +/-, bulb-tee purlins @ 32 5/8" o.c., 1/2" gypsum board, 2" poured gypsum, 2" insulation &...
I have a question regarding the load path from a near horizontal diaphrgam (slpoed roof) to an exterior shear wall, as in an eave condition. If the load is low enough, I specify and unblocked diaphragm and call out a Simpson connector to transfer the load from the trusses to the top plate. If...
