Both vertical and horizontal curves on the same section of a highway are designed at the same speed. A vertical sag-curve on this highway connects G1=-7% and G2=? % grades and is 300 m long. If a horizontal curve on this highway is on a two-lane section with 3.6-m lanes, has a central angle of 43 degrees and a superelevation of 4%,
Both vertical and horizontal curves on the same section of a highway are designed at the same speed. A vertical sag-curve on this highway connects G1=-7% and G2=? % grades and is 300 m long. If a horizontal curve on this highway is on a two-lane section with 3.6-m lanes, has a central angle of 43 degrees and a superelevation of 4%,
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Both vertical and horizontal curves on the same section of a highway are designed at the same speed. A vertical sag-curve on this highway connects G1=-7% and G2=? % grades and is 300 m long. If a horizontal curve on this highway is on a two-lane section with 3.6-m lanes, has a central angle of 43 degrees and a superelevation of 4%,
Transcribed Image Text:Both vertical and horizontal curves on the same section of a highway are designed at the same speed. A vertical sag-curve on this highway
connects G1=-7% and G2=? % grades and is 300 m long. If a horizontal curve on this highway is on a two-lane section with 3.6-m lanes, has a
central angle of 43 degrees and a superelevation of 4%,
L/2
L/2
BVC
EVC
G- ? %
PVI
(HINT: Use a minimum length criterion to find G2, first).
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