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mplified version of the basic curve equation to calculate the minimum ra tion of 6.0% and a maximum friction factor of 0.12.

mplified version of the basic curve equation to calculate the minimum ra tion of 6.0% and a maximum friction factor of 0.12.

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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QUESTION 9 Use the simplified version of the basic curve equation to calculate the minimum radius (ft) for a horizontal curve given a design speed of 60 mph, a maximum superelevation of 6.0% and maximum friction factor of 0.12 QUESTION 10 A simple horizontal curve has 35 degrees of curvature and subtends an angle of 110 degrees. If the PC is at station 3 + 65.00 ft, what is the last deflection angle (degrees) (i.e. the angle subtended by the roadway between the last full station and the PT)?
Transcribed Image Text:QUESTION 9 Use the simplified version of the basic curve equation to calculate the minimum radius (ft) for a horizontal curve given a design speed of 60 mph, a maximum superelevation of 6.0% and maximum friction factor of 0.12 QUESTION 10 A simple horizontal curve has 35 degrees of curvature and subtends an angle of 110 degrees. If the PC is at station 3 + 65.00 ft, what is the last deflection angle (degrees) (i.e. the angle subtended by the roadway between the last full station and the PT)?
Expert Solution
Step 1

9)Given data- 

Design speed(V) =60 mph  = (60/3600)m/s

Super elevation (e) =6%=0.06 

Friction (f) = 0.12 

 

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