A 2-lane highway is to be constructed across a 6-ft diameter metal culvert which is oriented...

A 2-lane highway is to be constructed across a 6-ft diameter metal culvert which is oriented perpendecular to the highway center line. The culvert is located at station 33+00, and the invert (bottom) of the culvert has an elevation of 150 ft. The elevation of station 21+00 on the tangent alignment is 140 ft. The alignment gradient is +4.0% from station 21+00 to station 29+00, and the gradient from station 29+00 to 37+00 is –3%.

Find the longest full station vertical curve that will give approximately 3 ft (3 ± 0.5 ft) of cover over the top of the culvert.
Compute the station and elevation of the PVC and PVT and the elevation of each full station on the vertical curve.

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Expert Solution

Ally Wells answered 6 months ago

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