A common tangent of a compound curve makes an angle of 12 degrees from the tangent passing through the PC and 18 degrees from the tangent passing through the PT. If the  radius of the second curve is 180m, find the radius of the first curve if the length of the common tangent is 70m

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Q: The design for a steel plate is shown below whose dimension in the y-direction is 2 inches. What is…

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Curve setting

A curve is a turn that is provided horizontally or vertically in the design of highways, railways, and runways. A curve connects two straight lines that are separated by the deflection angle. It helps to change the direction and alignment of the highways, railway tracks, and runways. Therefore, the gradual change in their alignment is made by using a curve to provide comfort to the passengers and this also provides an easy turn to change the direction of the moving vehicle.