Question

Calculate the critical buckling load, Periical, for four W250 x 80 type beams with the following respective support conditions [E = 200 GPa; L = 12 m]: pinned-pinned, fixed- pinned, fixed-free, and fixed-fixed. Give an example of a real life scenario in which buckling would occur with more than one mode or n> weolundecur with more than one mode or n

Answer check: Fixed-Free P critical= 146.87 kN
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Answer #1

The following are some of the examples where buckling can occur with multiple modes.

1. The central columns of a multistorey building will have both the supports fixed since are constructed monolithically with beams and slab can have multiple modes of buckling.

2. The machine structural components fixed at one end and hinged at the other end.

3. Buckling of a ship hull due to the action of water pressureX 10 し2 or Pinned - pinned eamLeft -L 2 2 ke fixed-pinnd ha, Icfr 587.6 0.孔. -1.198 . q 3 kN 581-5146. 87 kN Cy 2. (aL)2 m2EI = 5815 Q350ku S.52

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