A three hinged parabolic arch a span of 60 meters and rise of 15 meters. The arch carries two concentrated loads of 250 kN and 200 kN at distances of 10 m and 18 m from the left end. It also carries a UDL of 70 kN/m on the right half of the span. Calculate the vertical and horizontal reactions at supports. Also calculate the normal thrusts and radial shear at section 18 m from left support.

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