Java buckling calculation and plotting programme - Johnson and Euler criteria - for concentrically loaded columns.

Enter the values in the units indicated in the top 7 boxes. For End fixing factor enter

End FixingsTheoretical K valuePractical K value
pinned frictionless ends:K=1K=1
fixed ends:K=0.5K=0.65
fixed - pinned and guided:K=0.7K=0.8
fixed - free:K=2K=2.1

Click on the Calculate button.

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David Grieve, 31st August 1999