Buckling Matters Rotational Spring Supports
Exceptionally tall or slender columns may necessitate finite element modelling to determine the effects of buckling. However, in many cases an accurate assessment of the critical buckling load can be made by hand calculations incorporating spring supports or tapered/stepped stiffness columns. This paper discusses the calculation of the buckling load for the end conditions given in Eurocode 2, including various rotational spring restraints and variable stiffness within the length of the strut.
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