UPSC Civil Service Exam Questions

Q1: A two-hinged semicircular arch of radius 'R' carries a concentrated load 'W' at the crown. The horizontal thrust is

A

B

C

D

ANS:B -

If the concentrated load is not at the crown then;

H = (W/π)* sin^2 α.
α is measured from the centre of the semi-circle to point of load.



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