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Three hinged semicircular arches A, B, and C have radii of 5 m, 7.5 m, and 10 m respectively, each supporting a concentrated load W at their crowns. What is the ratio of the horizontal thrusts at their supports?

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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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Explanation

Given the radii and equal concentrated loads at the crowns, the horizontal thrusts for the semicircular arches are proportional to 1 : 1 : 2 for arches A, B, and C respectively.

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