Computer · Structural Analysis
A prismatic steel column is subjected to a gradually increasing axial load. Its failure mode depends on both material strength and elastic stability. Which of the following most appropriately differentiates the behaviour of short and long columns under axial compression?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A short column carries a lower load due to slenderness, while a long column carries a higher load due to reduced lateral deflection.
- 2A short column fails mainly due to crushing of material, while a long column fails mainly due to buckling instability.✓
- 3A short column exhibits failure governed by Euler's buckling theory, while a long column exhibits failure governed by material yielding limits.
- 4A short column shows large lateral displacement even under a small load, while a long column remains almost straight until the ultimate load.
Correct answer
A short column fails mainly due to crushing of material, while a long column fails mainly due to buckling instability.
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