Question
Download Solution PDFA three-hinged arch is statically
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Three hinge arch is a statically determinate structure.
As we know,
No. of support reactions, R = 4
Equations of static equilibrium, re = 3
Additional equation due to released reaction at hinge at crown (∑ M = 0), rr= 1
Degree of static determinacy, Ds = R - (re + rr) = 4 - (3 + 1) = 0.
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