Engineering, 20.02.2020 18:26 IsoSaysHi
An equal-tangent sag curve has its PVI at station 10 00 and elevation at 138 ft. Directly above the PVI, the bottom of an overpass structure is at elevation 162 ft. The PVC is at station 4 00. If the initial grade is -4%, what is the highest possible value of the final grade given that a 70 mph design speed is to be provided in daytime conditions
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An equal-tangent sag curve has its PVI at station 10 00 and elevation at 138 ft. Directly above the...
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