Q12:- A horizontal circular curve with radius of 265 m and deflection angle = 72 degrees is planned to design it on an undivided four-lane highway section has the design speed = 80 Km/hr and the normal crown slope on tangent -2%. Assume the following design information: Maximum relative gradient = 0.50%, side friction factor =0.12, lane width = 3.75 m, front overhang of vehicle =1.2 m, wheel base =12 m, lateral clearance per vehicle =0.9 m, track width on tangent =2.4 m, the elevation of the centerline is 49 m and the station of PI is 0+723. Calculate the pavement stations and elevations for the centerline and both edges at PC and PT points only?

Q12:- A horizontal circular curve with radius of 265 m and deflection angle = 72 degrees is planned to design it on an undivided four-lane highway section has the design speed = 80 Km/hr and the normal crown slope on tangent -2%. Assume the following design information: Maximum relative gradient = 0.50%, side friction factor =0.12, lane width = 3.75 m, front overhang of vehicle =1.2 m, wheel base =12 m, lateral clearance per vehicle =0.9 m, track width on tangent =2.4 m, the elevation of the centerline is 49 m and the station of PI is 0+723. Calculate the pavement stations and elevations for the centerline and both edges at PC and PT points only?

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter15: Geometric Design Of Highway Facilities

Section: Chapter Questions

Problem 8P

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