For a simply supported rectangular beam with a span of length L subjected to a concentrated load W at the center, what is the length of the elasto-plastic region forming the plastic hinge?

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Subject: Theory of Structurescivil-engineering-mcqs › theory-of-structures
Published: 17 Jan 2019
Last updated: 28 May 2026

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Half of the span length (L/2)One third of the span length (L/3)One quarter of the span length (L/4)One fifth of the span length (L/5)None of the above

Explanation

When a simply supported rectangular beam of length L is loaded with a central load W, the plastic hinge forms an elasto-plastic zone that extends over one third of the beam's length, i.e., L/3. This is a standard result in plastic analysis of beams.

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For a simply supported rectangular beam with a span of length L subjected to a concentrated load W at the center, what is the length of the elasto-plastic region forming the plastic hinge?

Explanation

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