The radius of horizontal circular curve is 125m, calculate the superelevation required iffull lateral friction is to develop, assumef=0.25, max e= 0.07, recommended designspeed under DPWH design, nationalsecondary road, flat topography.

Given data- National Secondary Road, flat topography (V) = 100 kmph Lateral Friction (f) = 0.25…

Answered: The radius of horizontal circular curve…

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 21P

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The following table shows the stations and ordinates for a mass diagram. The free-haul distance is 600 ft. Overhaul cost is $12 per station yard. (a) Use the method of moments to compute the additional cost that must be paid to the contractor. (b) Sketch the ground profile if the finished grade of this roadway section is level (0 percent).

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The radius of horizontal circular curve is 125 m, calculate the superelevation required if full lateral friction is to develop, assume f=0.25, max e= 0.07, recommended design speed under DPWH design, national secondary road, flat topography.