An ascending grade of 4% and a descending grade of 2% intersect at STA 12+598 whose...

An ascending grade of 4% and a descending grade of 2% intersect at STA 12+598 whose elevation is at 518.99m. The two grades are to be connected by a parabolic curve, 160 long. Find the elevation of the first quarter point on the tangent and the summit of the curve.

a.)Determine the elevation of the summit.

b.)Determine the station of the summit.

c.)Determine the elevation of the first quarter point on the tangent.

d.)Determine the elevation of the midpoint on the curve.

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Expert Solution

Ally Wells answered 1 month ago

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