Slenderness ratio tube
20.9
Fig. 1
Comparison of slimness levels
A cross-sectional area d bar diameter da outer diameter di inner diameter lk bar length I moment of area λ slenderness ratio Fk buckling force
Eqn. 1
| Slenderness ratio | λ | = |
| Free buckling length | lK | = | mm | |||
| Outer Diameter | da | = | mm | |||
| Inner diameter | di | = | mm |
Calc 1
For a pipe cross section60
Example I A pipe with an outside diameter of 40 mm, an inside diameter of 31.225 mm and a buckling length of 100 mm has a slenderness ratio of 7.9.
53
Klepzig, W. / Schneid- und Umformwerkzeuge für die Blechbearbeitung (Stanzwerkzeuge) / Hochschul-Lehrmaterial / Zwickau / 2010 / …
60
Böge, A. / Arbeitshilfen und Formeln für das technische Studium / Vieweg / Braunschweig / 1985 / 6. Auflage