A symmetrical parabolic arch of span 19 m and rise 4 m is hinged at th – McqOptions

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1.	A symmetrical parabolic arch of span 19 m and rise 4 m is hinged at the springings. It supports a uniformly distributed load of 1.5 tonnes per meter run of the span. The horizontal thrust in tonnes at each of the springing is -
A.	20.63
B.	16.92
C.	8.5
D.	Zero
Answer» C. 8.5

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