Given highway design parameters below, solve the questions a) through f). A curved section of a 4-lane undivided highway (i.e., 2 lanes rotation) • Design speed = 40 mph • Design max superelevation = 8% • Lane width = 11 ft • 2.5% normal crown • Central angle(1) = 38°, Degree of Curve = 7.82°, and Plsta = 292+52.4 a. Determine PCsta b. Determine PTsta Calculate the length of full superelevation (BFS ~ EFS) ENC: End of Normal Crown; LC: Level Crown; BFS: Begin of Full Superelevation; EFS: End of Full Superelevation
Given highway design parameters below, solve the questions a) through f). A curved section of a 4-lane undivided highway (i.e., 2 lanes rotation) • Design speed = 40 mph • Design max superelevation = 8% • Lane width = 11 ft • 2.5% normal crown • Central angle(1) = 38°, Degree of Curve = 7.82°, and Plsta = 292+52.4 a. Determine PCsta b. Determine PTsta Calculate the length of full superelevation (BFS ~ EFS) ENC: End of Normal Crown; LC: Level Crown; BFS: Begin of Full Superelevation; EFS: End of Full Superelevation
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Given highway design parameters below, solve the questions a) through f).
A curved section of a 4-lane undivided highway (i.e., 2 lanes rotation)
Design speed = 40 mph
• Design max superelevation = 8%
Lane width = 11 ft
• 2.5% normal crown
Central angle(l) = 38°, Degree of Curve = 7.82°, and Plsta = 292+52.4
a. Determine PC,ta
b. Determine PTsta
c. Calculate the length of full superelevation (BFS EFS)
ENC: End of Normal Crown; LC: Level Crown; BFS: Begin of Full Superelevation; EFS: End of Full
Superelevation](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbd9ca1b4-2e76-48a1-bcea-5fcb45e02927%2Fef396a99-3f81-4415-9789-1568ec9c28f9%2Ffrehh6u_processed.png&w=3840&q=75)
Transcribed Image Text:Given highway design parameters below, solve the questions a) through f).
A curved section of a 4-lane undivided highway (i.e., 2 lanes rotation)
Design speed = 40 mph
• Design max superelevation = 8%
Lane width = 11 ft
• 2.5% normal crown
Central angle(l) = 38°, Degree of Curve = 7.82°, and Plsta = 292+52.4
a. Determine PC,ta
b. Determine PTsta
c. Calculate the length of full superelevation (BFS EFS)
ENC: End of Normal Crown; LC: Level Crown; BFS: Begin of Full Superelevation; EFS: End of Full
Superelevation
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