A three-hinged semicircular arch of radius R carries a uniformly distributed load W per unit run over the whole span. The horizontal thrust is

A three-hinged semicircular arch of radius R carries a uniformly distr

1.	A three-hinged semicircular arch of radius R carries a uniformly distributed load W per unit run over the whole span. The horizontal thrust is
A.	WR
B.	WR/2
C.	4/3œÄ WR
Answer» C. 4/3œÄ WR

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A three-hinged semicircular arch of radius R carries a uniformly distributed load W per unit run over the whole span. The horizontal thrust is

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