Column load - determine failure loads?
Column load - determine failure loads?
(OP)
The AISC and Aluminum Association have formulas to calculate the allowable load on a column. This is fine.
I assume that allowable loads have some factors of safety built in.
How would I predict the failure load on a concentrically loaded pipe column?
I assume that allowable loads have some factors of safety built in.
How would I predict the failure load on a concentrically loaded pipe column?






RE: Column load - determine failure loads?
RE: Column load - determine failure loads?
In addition to eccentricities, depending on the length, the internal stresses have a fair impact on overall strength
RE: Column load - determine failure loads?
RE: Column load - determine failure loads?
However, a long and slender column under a concentric load will fail due to buckling before the applied load reaches the above value. This buckling load can be calculated using Euler's formula.
A word of caution: Eventhough the load may look exactly concentric to you, the columns are not manufactured perfectly straight, and there always exist residual stresses in the column due to manufacturing and fabrication. All these will result in bending stresses that can substantially reduce your final failure load. A perfectly straight conncentric loaded column is only theoretical and not attainable in practice.