Question: A 2 0 0 - m equal tangent parabolic vertical curve is to be placed between grades of g 1 . 1 . 2 5

A 200-m equal tangent parabolic vertical curve is to be placed between grades of g1.1.25% and g2=-2.75% intersecting at Sta. 1+800 which has an elevation of 270.190m above the datum. Calculate elevations at even 20-m stationing on the vertical curve and determine the station and elevation of the
A 2 0 0 - m equal tangent parabolic vertical

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