ABSTRACT
For static loads Equations 1 and 2 are held true as obtained from the paper «Instability ProblemsInvestigation of Pcritical joint load under axial loads» (Karatzas 2009).
P c
h =
⋅
⋅
1 ψ ψsin( )
(1)
and for very small angles ψ the following equation holds:
P c hcritical loadjoint
= 1
(2)
where c1 = natural spring rotational constant and h = height of the member.