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?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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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?
Transcribed Image Text: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?
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