An overpass is being built over the PVI of an existing equal-tangent sag curve. The sag curve has a 70 mi/h design speed and G1=

Question

2 years ago

8

An overpass is being built over the PVI of an existing equal-tangent sag curve. The sag curve has a 70 mi/h design speed and G1=

-5%, G2=+3%. Determine the minimum necessary clearance height of the overpass and the resultant elevation of the bottom of the overpass over the PVI. Ignore the cross-sectional width of the overpass.

Engineering

1 answer:

vivado [14] · Answer 1 · 2022-07-02T13:37:15+03:00

vivado [14]2 years ago

8 0

Answer: Resultant elevation will be 30.98 ft