MT-1620 al.2002 A is still undefined( nstability→W->∞) So have buckling loads and associated mode shapes Figure 16.8 Representation of buckling loads and modes for simply- supported columns n:2 2nd mod 1st mode P2=4P The lowest value is the one where buckling occurs 兀 El Euler bucking load Paul A Lagace @2001 Unit 16-12MIT - 16.20 Fall, 2002 A is still undefined (instability ⇒ w --> ∞) So have buckling loads and associated mode shapes Figure 16.8 Representation of buckling loads and modes for simply￾supported columns 2nd mode 1st mode P2 = 4P1 The lowest value is the one where buckling occurs: P = π2 EI Euler buckling load cr l2 Paul A. Lagace © 2001 Unit 16 - 12