How to compute the elevation of points at stations

Reference no: EM13310566

1- A 250-m equal-tangent parabolic curve fits a -3.00% grade that meets a +2.25% grade at station 4+200 and elevation 293.585m. Compute the elevation of points at stations 4+055, 4+085, and 4+105, respectively

2- Tabulate station elevations for a 200-ft equal-tangent parabolic curve with g1= -1.25%, g2= +1.25%, VPI station = 146+00, and VPI elevation = 1,895.00 ft. Compute values if stakeout is at 30-ft increments. Check by second differences

Reference no: EM13310566

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