Multi Section Columns
Multi Section Columns
(OP)
Hi All
Is there or anybody knows any formula/reference for analysis a multi section slender column buckling? or finite element is the only solution?
e.g. a column made up of two rod sections, one phi=60mm and the other phi=100mm ( with the same material ) welded at ends. or a phi=100mm connected with a pipe and loaded axially.
I searched in my books and the web but nothing found.
Cheers
Is there or anybody knows any formula/reference for analysis a multi section slender column buckling? or finite element is the only solution?
e.g. a column made up of two rod sections, one phi=60mm and the other phi=100mm ( with the same material ) welded at ends. or a phi=100mm connected with a pipe and loaded axially.
I searched in my books and the web but nothing found.
Cheers





RE: Multi Section Columns
Alternatively, the Design of Aluminum (Alcan, 1983) handbook has some expressions as well.
tg
RE: Multi Section Columns
Thanks alot trainguy,
Our office doesn't have those books, but I will try to find them in a liberary or somewhere else.
RE: Multi Section Columns
RE: Multi Section Columns
We can not, because, the first portion is a fixed diameter and the entire length is fixed also, so the only design unknown is the second portion section which should be a pipe.
RE: Multi Section Columns
then assume the tube is the full length of the column, and use euler, or euler-johnson, or whatever you prefer for a column buckling calc. this is going to be conservative.