Civil Engineering MCQAE Level Civil Engineering
A two-hinged arch is statically indeterminate to:
Structural AnalysisTwo-hinged ArchMEDIUM
Choose the correct answer
A
Zero degree (determinate)
B
First degree (one redundant)
C
Second degree
D
Third degree
Correct Answer
B. First degree (one redundant)
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A two-hinged arch has 4 unknowns (2 vertical + 2 horizontal reactions) and 3 equilibrium equations. DSI = 4 - 3 = 1 (horizontal thrust is the redundant).
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