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The length of the spiral curve is 260 ft with a degree of the central curve equal to 4°. Use g= 32.17 ft/s? a) Determine the desirable velocity of the car in miles per hour. b) Determine the maximum super-elevation of the curve at the third quarter-point of the spiral from S.C. if the road width is 10ft. c) Determine the length of the long tangent of the spiral.

The length of the spiral curve is 260 ft with a degree of the central curve equal to 4°. Use g= 32.17 ft/s? a) Determine the desirable velocity of the car in miles per hour. b) Determine the maximum super-elevation of the curve at the third quarter-point of the spiral from S.C. if the road width is 10ft. c) Determine the length of the long tangent of the spiral.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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3. The length of the spiral curve is 260 ft with a degree of the central curve equal to 4°. Use g= 32.17 ft/s? a) Determine the desirable velocity of the car in miles per hour. b) Determine the maximum super-elevation of the curve at the third quarter-point of the spiral from S.C. if the road width is 10ft. c) Determine the length of the long tangent of the spiral.
Transcribed Image Text:3. The length of the spiral curve is 260 ft with a degree of the central curve equal to 4°. Use g= 32.17 ft/s? a) Determine the desirable velocity of the car in miles per hour. b) Determine the maximum super-elevation of the curve at the third quarter-point of the spiral from S.C. if the road width is 10ft. c) Determine the length of the long tangent of the spiral.
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