Question
Download Solution PDFIn a two hinged parabolic an increase in temperature will
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
In a two-hinged parabolic arch, temperature rise causes the arch to expand horizontally. Since the supports are hinged and cannot move, this thermal expansion leads to:
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Increased horizontal thrust to maintain the equilibrium.
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This is due to the development of internal compressive forces along the arch axis.
Additional Information
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Two-hinged arches are statically indeterminate.
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When temperature increases, the crown tries to rise due to thermal expansion.
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But the hinges resist this deformation → hence internal force builds up → horizontal thrust increases.
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